A machine part has the shape of a solid uniform sphere of mass 230 g and diameter 2.7 cm. The angular acceleration is 16.10 rad / s².
Given that, mass of the sphere is 230 g
diameter is 2.7 cm
Frictional force = 0.02N
Now, we need to calculate angular acceleration. We know the formula of torque as τ = f × r
I × α = f × r
Here, I is the moment of inertia of the sphere
2/5 m r² × α = f × r
α = 5 f /( 2 m r) = (5* 0.02) / (2 * 230 * 10⁻³ * 1.35 * 10⁻²)
α = 16.10 rad / s²
Thus, the angular acceleration is 16.10 rad / s².
To know more about angular acceleration:
https://brainly.com/question/13979228
#SPJ4
An ice cube i melting but doe not change in temperature. Complete the gap to tate the name given to the energy that i needed to melt the ice cube: latent __________. (Hint: your anwer hould be three word. )
The gap to tate the name given to the energy that i needed to melt the ice cube: latent heat of fusion.
The temperature stays consistent at some stage in ice melting due to the fact the warmth furnished to ice is used for the transition of country instead of growing the ice temperature.Temperature stays consistent whilst the melting factor is reached. This is due to the fact, the warmth supplied is used to alternate the country from stable to liquid and thus, the temperature stays consistent.
Latent warmth of fusion of ice is 33600 JKg - 1 .Energy is needed to soften a stable due to the fact the cohesive bonds among the molecules withinside the stable ought to be damaged aside such that, withinside the liquid, the molecules can flow round at similar kinetic energies; thus, there's no upward thrust in temperature.
Read more about melting :
https://brainly.com/question/40140
#SPJ4
If the cell i 1. 5V & there are 4 cell - what i the total potential difference (in volt) of the circuit?
If the cell of 1.5 volts have 4 cells then the potential difference of the circuit is 6 volts.
As per question,
Voltage of each cell = 1.5 volts.
Number of cell = 4
Potential difference = 4 x 1.5
= 6 volts.
The potential difference between any two points in a circuit represents the variation in the energy that charge carriers have accessible. Volts are measured as follows: Voltage is measured in volts and is defined as the potential difference (V). The phrase used to describe the external work required to convey a charge from one point to another in an electric field is electric potential difference, which is frequently referred to as voltage. A battery's potential difference is equal to the sum of the potential differences of all of the electrical cells that make up the battery, which are connected in series. The resultant potential difference is the potential difference of the battery.
To learn more about potential difference: brainly.com/question/12198573
#SPJ4
Part A
Use these relationships to determine the number of calories to change 0.50 kg of 0°C ice to 0°C ice water.
Part B
Use these relationships to determine the number of calories to change 0.50 kg of 0° C ice water to 0.50 kg of 100°C boiling water.
Part C
Use these relationships to determine the number of calories to change 0.50 kg of 100° C boiling water to 0.50 kg of 100°C steam.
Part D
Use these relationships to determine the number of calories to change 0.50 kg of 0°C ice to 0.50 kg of 100°C steam.
The relationships to determine the number of calories to change 0.50 kg of 0°C ice to 0°C ice water is 1,080,000 cal.
How does heating ice that is at C affect it?Ice melts and becomes liquid water at 0 degrees Celsius. Once all of the ice has been entirely transformed into liquid water, the temperature of the remaining ice begins to increase once more (in °C), continuing to rise until it reaches 100 °C, where it then stabilizes.
The water turns into steam when it reaches a temperature of 100 °C (D).
Water has a fusion latent heat of fusion of 80 cal/g.
Water has a 1 cal/g-C specific heat.
Water has a 540 cal/g latent heat of vaporization.
In light of this, the total amount of heat needed is 1500 g [(80 cal/g) + (1 cal/g-C)(100 - 0)C + (540 cal/g)] = 1500 g [(720 cal/g)] = 1,080,000 cal.
To learn more about Vaporization refer to:
https://brainly.com/question/26306578
#SPJ1
two sound waves produce a beat frequency of 5 hz. if one of the original frequencies is 227 hz, what could be the other frequency?
A 5 hz beat frequency is created by two sound waves. One frequency is 264 Hz if one of the original frequencies was 227 Hz. It follows that the other frequency must be 269 Hz.
fbeat = I f2 - f1 I
we have fbeat = 5 Hz.
and one frequency is 264 Hz So, other frequency must be 269 Hz
therefore difference in frequencies will be equal to 5Hz = fbeat.
A phenomenon known as "beating" or "producing beats" occurs when two sound waves of different frequencies come close to your ear and interfere in a manner that alternates between being constructive and destructive. The absolute difference between the two waves' frequencies is what determines the beat frequency.Like sound, light, radio, or ultraviolet waves, all of our thoughts and feelings have a certain frequency. Whether we're conscious of it or not, whatever we think about or feel becomes real.
Learn more about frequency here:
https://brainly.com/question/14705053
#SPJ4
in class, we measured the period of the large hz amp pendulum (the bowling ball hanging from the ceiling) and found a value of 5.5 s. what is the length of the cord that holds the bowling ball in m? ignore damping due to air drag.
The length of the cord that holds the bowling ball is 7.52 m.
A pendulum is made when the bowling ball hanging from the ceiling. Under the influence of gravity, the pendulum can swing back and forth. The period for a pendulum depends on the length of the cord and the acceleration due to gravity.
[tex]T = 2 \pi \sqrt{\frac{L}{g}}[/tex]
π = 3.14L = the length of the cord (m)g = acceleration due to gravity = 9.8 m/s²T = the period of a pendulum (s) = 5.5 sT² = 4π² ×L/g
T²g = 4π² L
5.5² × 9.8 = 4 × 3.14² × L
30.25 × 9.8 = 4 × 9.8596 × L
L = 296.45 ÷ 39.4348
L = 7.52 m
Learn more about Period of a pendulum here: https://brainly.com/question/22499336
#SPJ4
a particle moves in a straight line, parallel to the x axis, from xi to xf. it is acted upon by a force that is also parallel to the x axis and is giv
Migration of the electron between xi = L towards xf = 3L based on the supplied statement.
What does force signify in science?In science, the term "force" has a particular definition. At this point, it is quite acceptable to refer to a force as a push or possibly a pull. There is no such thing as a charge that an instrument "seems to have in it" or "contains." The idea of a force encompasses both living and non-living things.
What causes the balancing force?One definition of equilibrium is a state of equilibrium forces. Because when forces are in equilibrium, there is no direction change. The sum of balanced forces is always equal to zero.
To know more about force visit:
https://brainly.com/question/13191643
#SPJ4
Describe the water cycle. Use the terms gravity, energy from the sun, evaporation, condensation, precipitation, runoff, and storage in your explanation.
There are four main parts to the water cycle are Evaporation, Convection, Precipitation and Collection.
What is water cycle ?The movement of water from the surface of the Earth to the atmosphere and back is modelled by the water cycle. Liquid water evaporates as a result of the Sun's energy becoming water vapor. When water vapour rises into the atmosphere, it cools, condenses, and eventually turns into ice crystals or tiny liquid droplets.
Clouds develop during this condensation-related process. Water can be released from clouds as precipitation, returning from the atmosphere to the surface of the Earth. The water may evaporate from the surface and find its way into groundwater or other types of storage reservoirs.
Learn more about Water cycle here:
https://brainly.com/question/2164391
#SPJ4
find the mass of water at 10oc that must be added to 300 kg of water at 50oc to lower its temperature to 40oc.
The mass of water is 0.01012 kg.We know that the heat lost by mercury, Q equals heat gained by water, Q'-Q = Q'
Find the mass of water ?Where Q = mc(T - T') where m = mass of mercury = 1.94 kg, c = specific heat capacity of mercury = 139.5 J/kg °C, T' = initial temperature of mercury = 200 °C and T' = final temperature of mercury = 100 °C (since this is the temperature at which the water will boil).Also, Q' = Q" + Q"' where Q" = m'c'(T - T") where m = mass of water = 0.05 kg, c = specific heat capacity of water = 4200 J/kg °C, T" = initial temperature of water = 80 °C and T' = final temperature of water = 100 °C (since this is the temperature at which the water will boil).Also, Q'" = m"L where m" = mass of evaporated water and L = latent heat of vaporization of water = 2.26 × 10⁶ J/kgMaking m" subject of the formula, we have
m" = -[mc(T - T') + m'c'(T - T")]/L
m" = -[270.63 J/ °C(-100 °C) + 210 J/ °C (20 °C)]/2.26 × 10⁶ J/kg
m" = 22863 J/2.26 × 10⁶ J/kg
m" = 0.010116372 kg
m" ≅ 0.01012 kg
To learn more about mass of water refer
https://brainly.com/question/25760701
#SPJ4
What are the 7 types of waves?.
The seven types of waves are radio waves, microwaves, infrared, visible, ultraviolet rays, x-rays and gamma rays.
The electromagnetic spectrum is a broad spectrum consisting of various waves. It contains very long radio waves to very short gamma rays. However, the human eye can detect only a small portion of this spectrum called as visible light.
The other waves that are invisible to the eye have their applications in various fields.
For example, radio waves have the longest waves on the spectrum and are said to have lowest energy. An MRI machine uses these waves to see tissues and bones up close.
To know more about waves:
https://brainly.com/question/12275208
#SPJ4
mr. smith frequently fails to notice that students at the back of the room pass notes and tease each other. subsequently, more students get off-task. mr. smith is deficient in
Mr. Smith frequently misses the fact that the students in the back of the room joke around and pass notes. Mr. Smith lacks attentiveness.
In most cases, the terms often and frequently can be used interchangeably, but often connotes a great deal of repetition and, occasionally, regularity of occurrence: We frequently visit there, frequently suggesting particularly repetition at relatively frequent intervals: It occurs regularly. Adverbs of frequency are frequently used with the present simple tense because they are frequently used to describe routine or repeated activities. In order to place the adverb of frequency after the subject and before the verb, place it in the middle of the sentence. When the word usually is used as a frequency adverb, it seems to me to imply a higher frequency than frequently. However, usually does not necessarily imply "often," and it can mean in a way that is normal: About four times a year, I travel to England.
Learn more about frequently here:
https://brainly.com/question/14397358
#SPJ4
How much current is drawn from a circuit that has a resistor of 1000 ohms if powered by a battery with 1. 5 volts *?.
The current drawn from the circuit is 0.0015 Ampere.
Solution:
v = 1.5 V
r = 1000 ohm
Using formula:
i = v/r
= 1.5 / 1000
= 0.0015 A
A resistor is an electrical component that limits or regulates the flow of current in an electronic circuit. Resistors can also be used to supply specific voltages to active devices such as transistors. The resistor slows down the flow of electrons so the current doesn't move too fast and damages things like batteries on a breadboard.
The second reason to use resistors is to slow the flow of current through the component. A passive electrical device with two terminals is used to limit or regulate the flow of current in an electrical circuit. The main purpose of resistors is to reduce current flow and reduce the voltage in certain parts of the circuit.
Learn more about A resistor here:-https://brainly.com/question/24858512
#SPJ4
a grinding wheel is initially rotating with an angular velocity 3000 rad/s when its motor is suddenly turned off. it comes to rest in 10 s . through what angle did it rotate during the first second after the motor was turned off?
Angle through which the grinding wheel rotates in the first second =2850 rad.
What are the Calculations?
Given ,
initial angular velocity of the grinding wheel (ω₁) = 3000rad/s
final angular velocity (ω₂) = 0rad/s ( comes to rest )
Time taken by the grinding wheel to come to rest( T) = 10sec
final angular velocity = initial angular velocity of the grinding wheel + Angular acceleration of the grinding wheel (α)× Time taken by the grinding wheel to come to rest
0= 3000 + α × 10
Therefore , C of the grinding wheel (α) = - 300rad/sec²
Negative as it is deceleration .
Angle through which the grinding wheel rotates in the first second =θ
Time period T₁= 1sec
θ =ω₁T₁+αT₁²/2
θ = (3000)(1) +(-300)(1)²/2
θ = 2850rad
Angle through which the grinding wheel rotates in the first second =2850rad
To know more about the Angular acceleration checkout:
https://brainly.com/question/13014974
#SPJ4
for what incident angle is light reflected from the surface of this glass completely polarized if the glass is immersed in air?
The incident angle that light reflected from the surface of this glass completely polarized if the glass is immersed in air is called Polarization Angle.
Polarization AngleBrewster's angle, also known as the polarization angle, is the incidence angle at which light with a specific polarization is perfectly transmitted through a clear dielectric surface without reflection. When unpolarized light strikes the surface at this angle, the light reflected from the surface is perfectly polarized. This unique incidence angle is named after the Scottish physicist Sir David Brewster (1781–1868).
Brewster's angle is commonly known as the "polarizing angle" because light that reflects from a surface at this angle is completely polarized perpendicular to the plane of incidence ("s-polarized"). Therefore, a glass plate or stack of glass plates placed at Brewster's angle in a light beam can function as a polarizer.
THE CONCEPT
The concept of a polarizing angle can be extended to the concept of a Brewster wave number in order to account for planar interfaces between two linear bianisotropic materials. In Brewster's angle reflection, the reflected and refracted rays are mutually perpendicular.
Brewster's angle can only exist for one of the incident wave polarizations in magnetic materials, as specified by the relative strengths of dielectric permittivity and magnetic permeability. This has ramifications for the presence of Brewster angles that are generalized for dielectric metasurfaces.
Learn more about Polarization Angle here:
https://brainly.com/question/13093922
#SPJ4
36. which of the following is not an advantage that the hubble spacetelescope has over large telescopes on earth?a. the hubble is above the earth's atmosphere, while on the ground starimages twinkle and jiggleb. the hubble can observe at wavelengths (such as uv) which cannot be seenfrom the groundc. the hubble has a larger aperture than any visible-light telescope on earthd. the hubble has a better resolution than visible-light telescopes on earth (notcounting adaptive optics)e. you can't fool me, all of these are advantages the hubble has over earth-bound telescopes
The option that is not an advantage of the Hubble Space Telescope over the large telescopes on earth, is the Hubble has a larger aperture than any visible-light telescope on Earth. Correct answer: letter C.
Because Hubble cannot make real-time observations. Hubble is a space telescope that collects light traveling through space from distant objects. This light must be collected by the telescope and then sent back to Earth for processing, which takes time. This means that Hubble cannot make real-time observations as large telescopes on Earth do.
What is the Hubble Space Telescope?The Hubble Space Telescope (HST) is a large telescope in space that was launched in 1990. It orbits Earth at an altitude of about 340 miles and allows scientists to observe distant galaxies, stars, and other celestial objects in space. Hubble is the only telescope to have been placed outside of Earth's atmosphere, allowing it to have a much clearer view of the cosmos.
Learn more about the Hubble Space Telescope:
https://brainly.com/question/2837296
#SPJ4
Fluorescent dyes in clothing can absorb ultraviolet light and then convert it to visible light. Is it possible to make a dye that absorbs visible light and then emits ultraviolet?.
Fluorescent dyes can absorb ultraviolet light and then convert it to visible light of longer wavelengths. But a dye absorbs visible light and then emits ultraviolet cannot be possible.
What is Fluorescence?Fluorescence can be described as the emission of light by a substance that has absorbed electromagnetic radiation. The emitted light has a longer wavelength, and therefore a lower energy of photon than the absorbed radiation.
Fluorescence occurs when the radiation from the ultraviolet region of the electromagnetic spectrum is absorbed, while the emitted light is in the visible region. The fluorescent substance has a distinct color when the substance has been exposed to UV light.
Fluorescent materials stop glowing immediately when the radiation source is removed, unlike phosphorescent materials, which continue to emit light for some time after the radiation source stops.
Learn more about Fluorescence, here:
https://brainly.com/question/24228588
#SPJ1
question the two blocks eventually stop and reverse direction. which of the following graphs best predicts the acceleration of block a as it moves up and down the rough, inclined surface? assume that the positive direction points down the slope.
The two blocks eventually stop and reverse direction. The following graphs best predicts the acceleration of block a as it moves up and down the rough, inclined surface. Graph that looks like as shown below but all on the positive portion.
What is acceleration?
Acceleration, rate at which velocity changes with time, in terms of both speed and direction. A point or an object moving in a straight line is accelerated if it speeds up or slows down.
Which tells us speed and direction?Velocity tells the speed and direction of a moving object. Acceleration tells us the rate speed or direction changes.
Know more about acceleration visit the link:
https://brainly.com/question/460763
#SPJ4
Can be used to calculate the density D of an object with mass m and volume V which is an equivalent equation solved for V?.
The equivalent equation for V is V = m/d.
The density of a substance is the connection between the mass of the substance and what sort of space it takes up (quantity). The mass of atoms, their length, and how they may be organized decide the density of a substance.
Density is a vital concept because it lets us decide what materials will drift and what substances will sink whilst positioned in a liquid.
The density will increase as pressure increases. Altitude and climate structures can alternate the air's strain. As you move better, the air's strain decreases from around 1,000 millibars at sea level to 500 millibars at around 18,000 ft.
Learn more about Density here:-https://brainly.com/question/1354972
#SPJ4
the stars in elliptical galaxies generally move either 1) in irregular orbits in all directions or 2) together in a particular direction as they orbit. what is the general motion for the stars in an elliptical galaxy?
Stellar orbits in elliptical galaxies are random, as opposed to spiral galaxies, where all of the stars orbit the galaxy's core in the same way.
What direction do stars in elliptical galaxies migrate in?Stellar orbits in elliptical galaxies are random, as opposed to spiral galaxies, where all of the stars orbit the galaxy's core in the same way.The majority of elliptical galaxies' star motions are currently thought to be fundamentally random; the size of the anisotropy of the stellar motions, or how much random velocities vary in different directions, determines the form of these galaxies.Ellipsoidal galaxies are round or oval in shape, as their name suggests, and contain stars that are widely spaced out.To learn more about Elliptical galaxies refer to:
https://brainly.com/question/24985948
#SPJ4
the following expressions are for kinetic energy (k), spring potential energy (usp), and gravitational potential energy (ug): k
The kinetic energy of an object is equal to 1/2mv^2, where m is the mass of the object and v is the velocity of the object.
The spring potential energy of an object is equal to 1/2kx^2, where k is the spring constant and x is the displacement of the object from the equilibrium position. The gravitational potential energy of an object is equal to mgh, where m is the mass of the object, g is the acceleration due to gravity, and h is the height of the object.
The Three Types of EnergyThere are three types of energy that are important in physics: kinetic energy, spring potential energy, and gravitational potential energy. Kinetic energy is the energy of motion, spring potential energy is the energy stored in a spring, and gravitational potential energy is the energy associated with gravity.
Kinetic energy is important because it is the energy that objects have when they are in motion. The kinetic energy of an object is equal to 1/2mv^2, where m is the mass of the object and v is the velocity of the object. This means that the kinetic energy of an object increases as the mass of the object increases or as the velocity of the object increases.
Spring potential energy is important because it is the energy that is stored in a spring. The spring potential energy of an object is equal to 1/2kx^2, where k is the spring constant and x is the displacement of the object from the equilibrium position. This means that the spring potential energy of an object increases as the spring constant increases or as the displacement of the object from the equilibrium position increases.
Learn more about kinetic energy:
brainly.com/question/8101588
#SPJ4
The staples inside a stapler are kept in place by a spring with a relaxed length of 0. 115 m. If the spring constant is 51. 0 n/m, how much elastic potential energy is stored in the spring when its length is 0. 150 m?.
The elastic potential energy is 0.57375 J when spring constant is 51 with length of 0.150m.
Unless you take action to alter it, an object's overall energy level remains constant. You must move an object (such as by pushing it) in order to alter its energy.As the ball's velocity rises, its potential energy—which it acquires when it is raised above its resting position—transforms into kinetic energy and back again.[tex]\\U=\frac{Kl^2}{2}[/tex]
K is spring constant , l is length of spring and U is elastic potential energy.
U= 51 x 0.150 x 0.150/2
U=0.57375 J
To learn more about elastic potential energy -
https://brainly.com/question/156316
#SPJ4
a small block is attached to an ideal spring and is moving in shm on a horizontal, frictionless surface. the amplitude of the motion is 0.210 m and the period is 3.08 s.
On a perpendicular, frictionless surface, moving in shm is equal to a = 0.563 m/s2, and v = 0.225 m/s.
EE₀ = EE + KE, ½ kA² = ½ kx² + ½ mv², ω²A² = ω²x² + v², v = (1.88 rad/s) √((0.200 m)² − (0.160 m)²)= 0.225m/s.
What is the definition of an amplitude simple?In physics, amplitude refers to the greatest displacement or distance that a point on a vibrating object or wave can move relative to its equilibrium location. It is equivalent to the vibration path's half-length.
What is the purpose of amplitude?Amplitude is a platform for product analytics that enables companies to track customers using group analytics. The platform employs behavioral reports to analyze how people interact with items and offers real-time tips to speed up work.
To know more about Amplitude viair:
https://brainly.com/question/8662436
#SPJ4
a certain amount of nobr(g) is sealed in a flask, and the temperature is raised to 350 k. the following equilibrium is established: nobr(g) uv no(g) 1 12 br2(g) the total pressure in the flask when equilibrium is reached at this temperature is 0.675 atm, and the vapor density is
The partial pressures of each species of the equilibrium are
NOBr = 0.39 atmNO = 0.19 atmVapour density = 2.219 g / L
Temperature = 350 K
Total pressure = 0.675 atm
Since volume of flask is constant and the mass is conserved,
Initial mass of NOBr = 2.219 g
1 mol NOBr = 109.92 g
Number of moles of NOBr = 2.219 / 109.92 = 0.02019 mol
Total number of moles at equilibrium is,
[tex]n_{total}[/tex] = ( 0.02019 - x ) + x + 0.5 x
[tex]n_{total}[/tex] = 0.02019 + 0.5 x
Acording to ideal gas equation.
[tex]n_{total}[/tex] = P V / R T
[tex]n_{total}[/tex] = ( 0.675 * 1 ) / ( 0.08206 * 350 )
[tex]n_{total}[/tex] = 0.00662
Partial pressure of NOBr,
P = ( 0.02019 - x ) * 0.675 / ( 0.02019 + 0.5 x )
P = 0.39 atm
Partial pressure of NO,
P = x * 0.675 / ( 0.02019 + 0.5 x )
P = 0.19 atm
Partial pressure of Br₂,
P = 0.5 x * 0.675 / ( 0.02019 + 0.5 x )
P = 0.095 atm
Therefore, the partial pressures of
NOBr = 0.39 atmNO = 0.19 atmBr₂ = 0.095 atmThe given question is incomplete. The complete question is:
A certain amount of NOBr(g) is sealed in a flask, and the temperature is raised to 350 K. The following equilibrium is established:
NOBr(g) ↔ NO(g) + ½ Br2(g)
NOBr(g)↔NO(g)+½Br2(g)
The total pressure in the flask when equilibrium is reached at this temperature is 0.675 atm, and the vapor density is 2.219 g L^-1. Calculate the partial pressure of each species.
To know more about partial pressure
https://brainly.com/question/13199169
#SPJ4
Why does ATP serve as a common energy source for organisms?.
ATP serves as a common energy source for organisms because - its energy can be easily transferred to do cellular work.
ATP or Adenosine Triphosphate is a more immediate source of energy than glucose because ATP is produced in the cells and its conversion to energy is a single-step process.
Glucose needs to be broken down in order to be used as an energy source.
ATP is a high-energy molecule ATP has an unstable structure compared to other high-energy molecules.ATP has a higher potential to transfer phosphate groups.Therefore, ATP serves as a common energy source for organisms because - its energy can be easily transferred to do cellular work.
To learn more about ATP, refer: brainly.com/question/414734
#SPJ4
Block A hangs from a light string that passes over a light pulley and is attached to block B, which is on a level horizontal friction less table, as shown above. Students are to determine the mass of block B from the motion of the two-block system after it is released from rest. They plan to measure the time block A takes to reach the floor. The students must also take which of the following measurements to determine the mass of block B? a) Only the mass of block A; b) Only the mass of block A and the distance block A falls to reach the floor; c) Only the distance block A falls to reach the floor; d) The mass of block A, the distance block A falls to reach the floor, and the radius of the pulley
The students should take the measurement of only the distance covered block A while falling to reaching to the ground. Thus, option (c) is correct.
According to Newton's Law:
For Block A:
The forces on block A is tension upwards and force downwards.
Tension = T
Force = mₐ × g
Thus, equating the forces =
= mₐ × g = T + mₐ × a
Then, tension =
= T = (mₐ × g) - (mₐ × a)
= T = mₐ (g - a) [ Let this be equation 1]
For block B:
Tension = mₓ × g
= T = mₓ × g [Let this be equation 2]
Equation equation 1 and 2,
= mₓ × g = mₐ (g - a)
= mₓ = mₐ (g - a) / g
= mₓ = mₐ ( g/a - 1) [Let this be equation 3]
Now, let the distance of fall be = d
The time taken for the fall be = t
Then, the acceleration starting from the rest will be (a) =
= d = (v × t )+ (1/2 × a × t²)
Here, v = 0 m/s as the fall starts from rest
= d = (1/2 × a × t²)
= a = 2 × d / t²
Substituting this is equation 3 =
= mₓ = mₐ ( (g × t²/2×d) - 1)
Hence, the distance of the fall that block A used is required to determine the masses of the blocks.
To know more about Motion through light pulley:
https://brainly.com/question/29270987
#SPJ4
write a function swaparrayends() that swaps the first and last elements of the function's array parameter. ex: sortarray
The function for SwapArrayEnds is given below.
Algorithm
1. Define an array and all of its components.
2. Design a function with two pointer variables as parameters.
3. Prior to calling this procedure, make a temporary variable. The value from the first pointer is then assigned to this temporary variable.
4. The value at the first pointer now becomes that at the second pointer.
5. The value of the temporary variable is then changed at the second pointer.
6. In order to swap an element, follow these steps, and pass two pointer variables pointing to the element you want to swap to the main() function.
The code for the implementation of the SwapArrayEnds method is given below.
#include<stdio.h>
vid SwapArrayEnds(int sortArray [], int SORT_ARR_SIZE){
//Declare tempVariable as an integer type
if(SORT_ARR_SIZE > 1) {
tempVariable = sortArray[0];
sortArray[0] = sortArray[SORT_ARR-SIZE-1];
sortArray[SORT_ARR_SIZE -1] = tempVariable;
}
}
int main(void){
const int SORT_ARR_SIZE = 4;
int sortArray[SORT_ARR_SIZE];
int i = 0;
sortArray[0] = 10;
sortArray[1] = 20;
sortArray[[2] = 30;
sortArray[3] = 40;
SwapArrayEnds ( sortArray[, SORT_ARR_SIZE);
for( i =0; i < SORT_ARR_SIZE; ++i){
printf("%d", sortArray[i]);
}
printf("\n');
return 0;
}
Learn more about Arrays here:
https://brainly.com/question/13107940
#SPJ4
The registered nurse (RN) is orienting a new RN assigned to the care of a client with a cardiac disorder and is told that the client has an alteration in cardiac output. After educating the new RN about cardiac output, which statement made by the new RN indicates the need for further instruction?
1. "A cardiac output of 2 L/min is normal."
2. "A cardiac output of 4 L/min is normal."
3. "A cardiac output of 6 L/min is normal."
4. "A cardiac output of 7 L/min is normal."
The statement made by the new registered nurse indicates the need for further instruction is : A cardiac output of 2 L/min is normal
What is a cardiac output?Heart rate (HR) and stroke volume (SV) are combined to form cardiac output, which is expressed in liters per minute. The most typical definition of HR is the number of heartbeats per minute. SV is the amount of blood that is ejected from the heart with each heartbeat or during ventricular contraction.
However, our heart typically beats 70 times per minute. In order to calculate cardiac output, which is the total amount of blood the left ventricle expels in a minute, we must multiply the stroke volume by the heart rate, or the number of beats per minute.
To know more about cardiac output you may visit:
https://brainly.com/question/28902946
#SPJ4
A long, hollow wire has inner radius R1 and outer radius R2. The wire carries current I uniformly distributed across the area of the wire.
a) Use Ampere's law to find an expression for the magnetic field strength in the region 0
Express your answer in terms of the variables R1, R2, r, I, and appropriate constants.
b) Use Ampere's law to find an expression for the magnetic field strength in the region R1
Express your answer in terms of the variables R1, R2, r, I, and appropriate constants.
c) Use Ampere's law to find an expression for the magnetic field strength in the region R2
Express your answer in terms of the variables R1, R2, r, I, and appropriate constants.
Just info given, no diagrams.
Obviously, the answer to A is 0, since no magnetic field exists in the center of the hollow wire, but I don't have a clue on where to begin for the equations to B and C.
Option a Use Ampere's law to find an expression for the magnetic field strength in the region 0 Express your answer in terms of the variables R1, R2, r, I, and appropriate constants. 0<r<R1
The magnetic field in the region R2 < r is calculated by using the Ampere’s law, the current flowing the region R2 < r is equal to the current enclosed by the loop.Use the current density expression to calculate the total current enclosed by the loop.Use the Ampere’s law to find the expression for the strength of magnetic field in the different region of the loop.
the expression for current density.
J=I/A
the expression for the Ampere's law
∫Bdl=μ₀I
An electric current's ability to produce a magnetic field is inversely proportional to the size of the electric current, with the constant of proportionality being equal to the permeability of free space. We can connect electricity and magnetism thanks to Ampere's Law, which gives us a mathematical relationship between magnetic fields and electric currents.
Learn more about Ampere's law here:
https://brainly.com/question/19611454
#SPJ4
you want to store 1,000 j of energy in an ideal spring when it is compressed by only 2.5 cm. what should be the force constant (spring constant) of this spring?
The given spring has a spring constant of 3.2 106 N/m.
How do you find the spring constant k?The term "spring constant" refers to the proportional constant k. It gauges the stiffness of the spring. A spring exerts a force F = -kx in the direction of its equilibrium position when it is stretched or compressed to a length that differs by an amount x from its equilibrium length.W = kx. W stands for the additional mass's weight. As a result, the slope of the plot of the straight line W vs x represents the spring constant, K. Weight (W) is defined as mass times the gravitational acceleration (g), where g is equal to approximately 980 cm/sec2.The stiffness constant, or "k," is also known as the spring constant. N/m is the unit for spring constant.Given data :
An equation may be used to represent the spring force:
F = -kx,
where x is a potential deformation of the spring and k is a spring constant. The spring will revert to its previous shape or location, according to the negative sign.
When a spring is squeezed, the energy stored in the spring is provided by:
E = (1/2)kx²
E = 1000J, where J is the energy that the spring stores when it is compressed.
x = 2.5 cm = 0.025 m is the compression distance of a spring.
1000 = (1/2)×k (0.025)²
k = 3.2 × 10⁶N/m
Learn more about spring constant refer to :
https://brainly.com/question/23885190
#SPJ4
How fast would a light beam appear to einstein if he were traveling in the same direction at 90% of the speed of light?.
If Einstein were traveling in the same direction of a light beam at 90% of the speed of light, the light beam would be travelling at 10% of speed of light.
Speed of light, c = 3 * 10⁸ m / s
90 % of Speed of light = 3 * 10⁸ * 0.9
90 % of Speed of light = 2.7 * 10⁸ m / s
Relative speed = 3 * 10⁸ - 2.7 * 10⁸
Relative speed = 0.3 * 10⁸ m / s
Relative speed = 0.1 c = 10% of speed of light
Relative speed of one object with respect to another is the difference in speeds of both objects if they are travelling in same direction. Relative speed of one object with respect to another is the sum of speeds of both objects if they are travelling in opposite direction.
Therefore, if Einstein were traveling in the same direction of a light beam at 90% of the speed of light, the light beam would be travelling at 10% of speed of light.
To know more about relative speed
https://brainly.com/question/7974444
#SPJ1
Given small samples of three liquids, you are asked to determine their refractive indexes. However, you do not have enough of each liquid to measure the angle of refraction for light refracting from air into the liquid. Instead, for each liquid, you take a rectangular block of glass (n= 1.52) and place a drop of the liquid on the top surface of the block. You shine a laser beam with wavelength 638 nm in vacuum at one side of the block and measure the largest angle of incidence for which there is total internal reflection at the interface between the glass and the liquid (Figure 1). Your results are given in the table (Figure 2). What is the refractive index of liquid A at this wavelength? What is the refractive index of liquid B at this wavelength? What is the refractive index of liquid C at this wavelength?
At this wavelength, liquid A has a refractive index of 1.4 for liquid A, liquid C has a refractive index of 1.4, and liquid B has a refractive index of 1.35 for liquid A.
In optics, an optical medium's refractive index, also known as refraction index, is a dimensionless number that indicates how well the medium bends light. How much light is bent or refracted when it enters a material depends on the material's refractive index.
In physics, the wavelength is the length over which a periodic wave repeats, or its spatial period. It is the separation between adjacent spots on a wave that correspond to the same phase. Is called wavelength.
TETHTA = 36.3
366.3 = SIN^-1(1.52^2 - Nc^2)
36.3 = sin^-1(1.52^2 - Nc^2)
Nc = (1.52^2 - (sin36.3^2) = 1.399 = 1.4
Nc = 1.4
similarly, for A and B the refractive index of liquid.
Nb = 1.35, Na = 1.4
Learn more about wavelength here
https://brainly.com/question/13533093
#SPJ4
