The acceleration due to gravity is 3 m/s^2
What is acceleration due to gravity ?The acceleration an object experiences as a result of gravitational force is known as acceleration due to gravity. M/s2 is its SI unit. Its vector nature—which includes both magnitude and direction—makes it a quantity. The unit g stands for gravitational acceleration. At sea level, the standard value of g on earth's surface is 9.8 m/s2.
An object's velocity changes when it falls freely toward the surface of the earth from a specific height. This acceleration is known as acceleration due to gravity and is symbolized by the symbol g.
In the given question
given is ; the weight = 45 N
and the mass = 15 kg
thus F = ma
or W = ma
a = W / m
a = 45 / 15
a = 3 m/s^2
thus acceleration due to gravity = a = 3 m/s^2
To know more about acceleration you may visit :
https://brainly.com/question/12550364
#SPJ4
to compress the spring an additional 0.16 m , does it take 180 j , more than 180 j , or less than 180 j ? to compress the spring an additional 0.16 , does it take 180 , more than 180 , or less than 180 ? 180 j more than 180 j less than 180 j previous answers correct part c verify your answer with a calculation.
Work done directly proportional to square of length compressed.
How to verify the formula?Given that the work done W = 180 J
length of compression is d = 0.18 m
The work done by the spring force is
W =(1/2)kd2
k = 2W /d2
=11111.11 N/m
If the length of compression is (0.18 m + 0.18 m)
then work done
W = (1/2)k(0.36 m)²
= 720 J
= 180 J + 540J
so it is greater than 180J
This is possible because of Work done directly proportional to square of length compressed
To learn more about proportional, refer to
https://brainly.com/question/24868934
#SPJ4
A mass M slides downward along a rough plane surface inclined at angle Θ to the horizontal. Initially the mass has a speed Vo before it slides a distance L down the incline. The coefficient of kinetic friction between the mass and the incline is μ The power associated with the work done by the frictional force WI is positive The power associated with the work done by the gravitation force is negative The power associated with the work done by the normal force is zero
The coefficient of kinetic friction between the mass and the incline is μ is 0.89
The formula for calculating force owing to friction isμ = F/N.
Normal force (N) at an incline is N= mgcosФ, where =32.51
P=F×x is the power corresponding to work done by friction.
The item "spent its energy" and the variable x is displacement.
P= mghcosФ, where h is the height, is the power unit for gravitational force work.
As shown in the illustration, the decrease shapes a triangle with a horizontal plane.
To calculate the frictional force:
MghcosФ = F×x MghcosФ
Changing the force: mghcosФ/x= mgcosФ
μ= h/x
Using trigonometry relations to calculate h
sin(32.51) = h/1
μ = Sin (32.51)/1
μ= 0.89
For more information on frictional force kindly visit to
https://brainly.com/question/28902566
#SPJ4
the work from static friction (w) accelerates a car from 0 to 50 km/hr. how much work is needed to accelerate the car from 50 km/hr to 150 km/hr?
Answer: 8w
Explanation:
the distance to the north star, polaris, is approximately 6.44 1018 m. (a) if polaris were to burn out today, how many years from now would we see it disappear?
2,042.1 years time from now will we see it disappear.
d = 6.44. 3.10¹⁸ m,
v = 3.10⁸ m/s,
t = 6.44.3. 10¹⁸ / 3. 10⁸ s = 6.44 . 10¹⁰ sec.
Converting seconds to years:
6.44. 10¹⁰ sec . (1min/60 sec).(1h/60 min). (1d/24h)(1y/365d) = 2,042.1 years.
Physicists define time as the progression of events from the past through the present, and into the future. If a system doesn't change, it is effectively timeless. When describing events that take place in three-dimensional space, time may be seen as the fourth dimension of reality. We are unable to see, touch, or taste time, yet we can compute how much time has passed.
Everywhere in classical mechanics, time is constant. The timekeeping systems are still in sync. But as Einstein's special and general theories of relativity show, time is relative. It depends on the observer's perspective of view. The theory of time dilation states that when one approaches the speed of light, the intervals between events grow longer (dilates).
To know more about time visit : https://brainly.com/question/13112278
#SPJ4
The period of a pendulum is the time the pendulum takes to complete one back-and-forth swing. The period T (in seconds) can be modeled by the function T=1.1 \sqrt{L}T=1.1 L, where L is the length (in feet) of the pendulum. Estimate the length of a pendulum with a period of 1.65 seconds.
L is the length (in feet) of the pendulum the length of a pendulum with a period of 1.65 seconds IS 90.04 ft.
[tex]\textup{T}=1.1107*\textup{L}^{0.5}[/tex]
[tex]\textup{k}=\frac{2\pi}{\sqrt{32}}=1.1107[/tex]nd power on x, i.e. p=1/2=0.5
Given T=10.54 sec, substituting this value in formula of T to get L,[tex]10.54=\frac{2\pi}{\sqrt{32}}*\textup{L}^{0.5}\\[/tex]
[tex]\textup{L}=90.0475\; \textup{ft}[/tex]
A weight that is suspended from a pivot and allowed to freely swing is known as a pendulum. A pendulum is subject to a restoring force from gravity when it is sideways moved from its resting, equilibrium position. This force accelerates the pendulum back toward the equilibrium position. Because the period—the amount of time between each full oscillation—is constant, pendulums are used to control the movement of clocks. a system made up of a string that hangs from an overhead support and an object at the string's bottom. Gravity and the string's combined force cause the object to swing back and forth. Pendulum Bob.
Learn more about pendulum here:
https://brainly.com/question/14759840
#SPJ4
What is the gravitational force between two objects of mass?.
Newton's law of gravitation says that the magnitude f of the force exerted by a body of mass m on a body of mass m is f = Gmm/r².
What is force?A force is an effect that can alter an object's motion according to physics. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.
The gravitational constant, denoted by the capital letter G, is an empirical physical constant involved in the calculation of gravitational effects in Sir Isaac Newton's law of universal gravitation and in Albert Einstein's theory of general relativity.
f = Gmm/r²
Newton's law of gravitation says that the magnitude f of the force exerted by a body of mass m on a body of mass m is f = Gmm/r² where G is the gravitational constant and r is the distance between the bodies.
To learn more about force refer to the link:
brainly.com/question/13191643
#SPJ1
for the gain k computed in (a), nd the frequency ! > 0 that maxi- mizes the gain of the frequency response of the closed-loop system. compute the corresponding gain.
The corresponding gain is 7.81×10-³
With compensation G(s) = k / (s+3) (s+1)
a) closed loop characteristic equation is
1 + G(s) = 0
(s+3) (s+1) + k = 0
s² + 4s + k + 3 = 0 ------ (1)
standard form of characteristic equation is
s² + 2ξ ωn + ωn² = 0 ------ (2)
Given ξ = 1/√2
comparing equation (1) and (2)
ωn² = k+3 , ωn = √(k+3)
2 ξ ωn = 4
2 × 1/√2 × √ (k+3) = 4
√(k+3) = 2√2
k + 3 = 8, k = 5
b) closed loop tranfer function
T(s) = G(s) / 1+G(s)
= 5/ s²+4s+8
magnitude |G(s)| = 5/√ [ (64-ω²)² + (4ω)²]
For maximum gain, denominator --> maximum
d/dω [ (64-ω²)² + 16ω²] = 0
2(64-ω²)² (-2ω) + 32ω = 0
4ω ( -4096 - ω⁴+128ω²+8 ) = 0
ω⁴ + 128ω² - 4088 = 0
ω = 26.6 rad/s
Gn = 5/√ [ (64-ω²)² + (4ω)²]
Gain = 7.81×10-³
learn more damping ratio at
https://brainly.com/question/29490032
#SPJ4
FILL IN THE BLANK. The earth is rotating on its axis. It will continue to rotate unless acted upon by an outside force. This is an example of Newton's _____.
The earth is rotating on its axis. It will continue to rotate unless acted upon by an outside force is an example of Newton's first law of motion.
An object at relaxation stays at rest, and an object in motion remains in motion at steady velocity and in a direct line unless acted on by way of an unbalanced pressure. There are clauses or elements to this statement - one which predicts the conduct of stationary gadgets and the opposite that predicts the behavior of transferring gadgets.
There may be a crucial circumstance that should be met so as for the first law to be applicable to any given motion. The circumstance is described by using the phrase "... except acted upon by using an unbalanced pressure." because the long as the forces are not unbalanced - this is, so long as the forces are balanced - the primary law of motion applies.
Learn more about force here; https://brainly.com/question/12785175
#SPJ4
What are scientific models?.
A physical, mathematical, and/or mental representation of a concept, event, or process system is referred to as a scientific model. Scientists try to discover and understand patterns in our environment by applying scientific knowledge to create explanations that allow the patterns to be predicted.
Which three scientific theories are there?Among these are visual models, mathematical models, and computer models. All three types of models may be used to any topic of study.
Scientific models are used to describe and predict the behavior of real things or systems in a variety of scientific fields ranging from physics and chemistry to ecology and the Earth sciences.
The experiment is the most effective research method because it allows the researcher to change and control the variables.
Learn more about Scientific models refer
https://brainly.com/question/13134745
#SPJ4
calculate the maximum energy that a 3-mev alpha particle could transfer to an electron in a single collision. calculate the maximum energy that a 3-mev pion could transfer to an electron in a single collision. note: make sure you understand why there is a difference.
The maximum energy that an alpha particle can transfer is 1.63 KeV.
let mass of electron, Me = 1
let mass of proton, Mp = 1836Me = 1836
let mass of alpha particle, Ma = 4Mp = 7344
And mass of the pion, M = 66.41Me
(a) The maximum energy transferred to an electron in a single collision will be calculated as
[tex]Q_{max} = \frac{4mME}{(M+m)^{2} }[/tex]
= [tex]\frac{4(1)(7344)(3MeV)}{(1+7344)^{2} }[/tex]
= 0.00163 MeV
= 1.63 KeV
(b) The electrons are called the subatomic particles. The electrons have one of the symbol of e-and β-. The electrons are the first generation of the Lepton particles. These are generally describe the elementary particles. These particles do not have components and substructure.
Hence, maximum energy that an alpha particle can transfer is 1.63 KeV.
To know more about alpha particle here:
https://brainly.com/question/18648917
#SPJ4
in example 1 of the handout you were asked to prepare a completed cost of goods sold statement for january for jonas company. what was the amount of total manufacturing costs?
The cost of goods manufactured is ₹65,000.
The three cost component added during this period are
direct materials 20,000
direct labour cost 40,000
overhead 30,000
total cost = 90,000
In the beginning 0
total cost added 90,000
In the ending -25,000
The total cost of goods manufactured is 90,000 - 25,000 = 65,000
The given question is incomplete, the complete question is, The jonas company used ₹20,000 of direct materials, incurred ₹40,000 of direct labour cost, and applied ₹30,000 of manufacturing overhead to jobs this period. No jobs were incomplete in the beginning of the period, but at the end of the period jobs with a total cost of ₹25,000 were unfinished. Find the total manufacturing costs.
To know more about jonas company:
https://brainly.com/question/14776209
#SPJ4
Determining Unknown Masses Using Your Value For The Spring Constant In Part 1 Determine The Masses Of The Two Unknown, Red And Blue Masses In The Simulation. Show Your Work And Measurements Taken For This Part. To Get A Good Average Result, At Least 3 Measurements Should Be Taken Of Each Mass. ? ? Red Mass Kg Blue Mass = .Kg Part 3: Determining AnMass added (g) Weight (N) Extension (mm)100g 0.98 17050 0.49 90120 1.2 210153 1.5 260192 1.9 320246 2.4 410The spring constant from the previous part is 59.9 N/m
Mass= spring constant× elongation/acceleration due to gravity.
As part a asks how one can find out unknown masses if one has a spring of known spring constant then it can be done by initially measuring the original length of spring and then connecting to spring to the weight whose mass is to be calculated.
The spring will elongate due to the weight and we have to carefully measure elongated length of spring. Since this is a part where human error chances are very high so it is preffered for one to take multiple measurements to get as accurate value as possible.
Then the difference is to be taken between the elongated length of spring and the original length of spring. This difference is called elongation. And the formula to measure mass of the weight used will be,
Mass= spring constant× elongation/acceleration due to gravity.
Learn more about spring constant here:- https://brainly.com/question/23885190
#SPJ4
A fast-pitch softball player pitches the ball horizontally at 22.4m/s. Her release point was 0.67m above the ground. What is the horizontal acceleration of the softball after she lets go of the ball?
The horizontal acceleration of the softball after she lets go of the ball is 0 m/s².
option B is the correct answer
What is the horizontal acceleration of a projectile?During a projectile motion, the vertical acceleration of a projectile decreases as the projectile moves upwards and eventually become zero as the object reaches the maximum height.
As the object begins move downwards, the vertical velocity of the projectile increases and eventually becomes maximum before the object hits the ground.
During the horizontal motion of a projectile, the horizontal velocity of the projectile does not change. That is the initial horizontal velocity of the projectile equals the final horizontal velocity of the projectile.
a = v - u/t
where;
v is the final horizontal velocityu is the initial horizontal velocityt is time of motionSince, final horizontal velocity = initial horizontal velocity
v = u
a = 0
In summary, the vertical velocity of the a projectile changes while the horizontal velocity does not change. This results in a zero horizontal acceleration of the projectile.
Learn more about horizontal acceleration here: https://brainly.com/question/14268089
#SPJ1
Assuming friction forces arc negligible. write an expression, using only the variables provided, for the acceleration that the block of mass m_1experiences in the x- direction. Your answer should involve the tension, T. Under the same assumptions, write an expression for the acceleration, a_2, the block of mass m_2 experiences in the y-direction. Your answer should be in terms of the tension, T and m_2. Carefully consider how the accelerations a_1 and a_2 are related. Solve for the magnitude of the acceleration, a_1, of the block of mass m_1, in meters per square second. Find the magnitude of the tension in the rope, T, in newtons. T =
Hangs vertically as the rope passes over an ideal (frictionless and massless) pulley.
Which kind of surfaces experience greater frictional force?Since there is no resistance to body motion on smooth surfaces due to lack of unevenness, there is no frictional force.The imperfections between two surfaces that are in touch are what produce friction.The more irrational the surface, the rougher it is and the more friction there is between the two surfaces.Therefore, there is a greater frictional force between rough surfaces.This kind of arrangement of masses is frequently referred to as a modified Atwood machine because the circumstance that is being described is a variant of the Atwood machine.We always begin our approach with the free-body diagram to ensure that the calculation of the acceleration of each mass is error-free.Fnet=ma or aFnetm or aFnet& a1m[m is the object's mass.an is the object's acceleration.The net force exerted on the object is called F n et.]To more learn about friction forces are negligible refer to:
https://brainly.com/question/27244636
#SPJ4
the evolutionary value of the five-factor model dimension of neuroticism is that neurotic individuals have a greater likelihood of surviving because they
The evolutionary value of Five-Factor Model dimension of Neuroticism is that neurotic individuals have greater likelihood of surviving due to the reason that they are overly cautious and attuned to danger.
What is the Five Factor Model?The Five Factor Model of general personality structure consists of five broad domains of neuroticism that are : extraversion, openness, agreeableness and conscientiousness. These traits reflect the huge differences between people in their motivations.
A broad construct conveying a predisposition to experience psychological distress and negative mood states is called neuroticism. Component subscales of neuroticism are: personality traits of anxiety, hostility, depression, social anxiety, impulsiveness and vulnerability to stress.
Neuroticism is defined as a broad personality trait dimension representing the degree to which a person experiences the world as distressing, threatening and unsafe.
To know more about five-factor model, refer
https://brainly.com/question/28524845
#SPJ4
match: fractions can be used to represent different scenarios. match each situation with the best model.
Fractions can be used to represent different scenarios:
1. A pizza was cut into 4 equal slices: Fraction: ¼
2. One quarter of a cake was eaten: Fraction: ¼
3. One half of a pizza was eaten: Fraction: ½
4. Two quarters of a cake were eaten: Fraction: ½.
What is Fraction?
A fraction is referred to as the portion of a whole in mathematics. For instance, if a pizza is cut into four equal pieces, each one is represented by a quarter. Fractions make calculations quicker and easier by making it easier to distribute as well as judge numbers. The representation of fractions appears simpler than when decimal values are used. In mathematics, a fraction is used to denote a portion or component of the whole. It stands for the proportionate parts of the whole. Numerator and denominator are the two components that make up a fraction. The numerator is the number at the top, and the denominator is the number at the bottom. The denominator specifies the overall number of equal parts in the whole, whereas the numerator specifies the number of equal parts that were taken.
To learn more about Fraction
https://brainly.com/question/1877921
#SPJ4
What are the context clues you can use in determining the meaning of the word?.
Readers can utilise context clues to deduce the meaning of unknown words by examining the words around them. We can utilise hints to determine the meaning of a word by examining the words or sentences that come before and after it.
Inference, Students must combine information from the text with background knowledge to decipher the meaning of an unfamiliar word when given these kinds of context clues.
Any of the context hints stated above are frequently used by authors in their writing for a variety of purposes, but one of those purposes is to define a new word.
Words or phrases in spoken or written material that help define the meaning of the text are referred to as context. The author's objective is furthered and supported by context.
To know more about context clue
https://brainly.com/question/16078302
#SPJ4
a ball rolls off a 1 meter high table with a velocity of 0.66 m/s. how far from the edge of the table will the ball land?
Answer:
s=ut+12at2. S=1m???
Explanation:
initial velocity in vertical direction, is 0m/s ... Hence distance along the floor from the table is 2×0.45=0.9m.
a ball fired downward from a height of 112 feet hits the ground in 2 seconds find its inital veloci8ty
The initial velocity is Vo = -24 ft/sec.
Solution:
s(t) = -16t² + Vot + 112 +112
5(2) = 0
16(2)² + Vo(2) +112=0
Vo = -24 ft/sec
We know that when an object falls its initial velocity is zero. When an object leaves contact with something that is holding or throwing it, it is in free fall. Under these conditions, the motion is one-dimensional and has a constant acceleration of magnitude.
Initial velocity describes how fast an object is when gravity first exerts a force on it. On the other hand, the final velocity is a vector quantity that measures the speed and direction of a moving body after it has reached its maximum acceleration. This equation defines the maximum projectile height from the launch position and depends only on the vertical component of the initial velocity.
Learn more about Initial velocity here:- https://brainly.com/question/24493758
#SPJ4
As you approach a steady light source, the wavelength of the emitted light appears.
As you approach a steady light source, the wavelength of the emitted light appears shorter.
In physics, the wavelength is the spatial duration of a periodic wave—the distance over which the wave's form repeats.
Wavelength is the space between identical points (adjoining crests) in the adjoining cycles of a waveform signal propagated in space or alongside a twine. In wireless structures, this period is usually specified in meters (m), centimeters (cm), or millimeters (mm).
Meter is the SI unit of wavelength. It is denoted as m. whilst measuring wavelength the multiples or fractions of a meter are likewise used. substantially, exponential powers of 10 are used whilst wavelengths are of large assets.
Learn more about wavelength here:-https://brainly.com/question/10728818
#SPJ4
You are advising a multimedia company on the best type of knowledge management system to help them archive digital video and sound clips. Which of the following will suit their needs?
enterprise content management system
digital asset management system
knowledge network system
VRML system
The correct option is b. digital asset management system
What is a digital asset management systems?Organizations can store, organize, find, retrieve, and share their entire catalog of digital content from a single location, or "single source of truth," with the aid of digital asset management (DAM) systems.
Why do we need a digital asset management system?Teams can manage all files and keep track of all tasks on a single platform thanks to a DAM system. As a result, there is no longer a need for numerous subscription-based, one-use products, and team members won't waste time switching between various tools. Platforms for managing digital assets, also referred to as "DAMs," are extremely useful because they make it simpler to arrange, access, and distribute marketing materials. DAMs are made to quickly and effectively organize, enrich, archive, and distribute digital files.
What is a enterprise content management system?The process of managing an organization's content lifecycle, including documents, spreadsheets, contracts, and scanned images, is known as enterprise content management (ECM), also known as document management or records management.
To know more about ECM, visit the link
https://brainly.com/question/27961282
#SPJ4
The correct format of the question is:
You are advising a multimedia company on the best type of knowledge management system to help them archive digital video and sound clips. Which of the following will suit their needs?
a. enterprise content management system
b. digital asset management system
c. knowledge network system
d. VRML system
2 co2 using standard heats of formation, calculate the standard enthalpy change for the following reaction.
Using standard heat of formation we can calculate the standard enthalpy Change for this reaction.
What is reaction?
Reaction is a process that's leads to the chemical transformation of one set of chemical substances to another.
Sol-In this question they have us that using standard heats of formation, so here we have to use standard heats of formation, so by using standard heats of formation, we have to calculate standard enthalpy change. So here we have to calculate standard enthalpy change for the particular reaction. So what is the given reaction for that? We have to find out standard, enthalpy change, so the reaction here. It is c that is the solid graphite plus oxygen gas. It gives rise to c to gas. This is the reaction for this reaction. We have to find out standard heat of formation. That is so here we have to. By using standard heat of formation, we have to calculate standard enthalpy change. That is the question, so we know that standard heat of formation of graphite- that is the graphite graphite. That is equal to 0 kilo, joules per mole, so here there's a hitch of formation of oxygen gas, oxygen gas that is equal to 0. So this is the 0 kilo joules per mole and here also delta hedge of formation of oxygen. Gas is equal to 0 kilo, joulesper mole, so delta h of the formation of carbon dioxide gas. So it will be, it is so what it be. It will be. The minus 393.5 kilo joules per mole, so delta h of formation of carbon dioxide gas, is equal to minus 393.5 kilo joules per mole. This is the ans.
To know more about reaction click -
https://brainly.com/question/11231920
#SPJ4
A balloon filled with 2.00 L of helium initially at 1.75 atm of pressure rises into the atmosphere. When the surrounding pressure reaches 360 mmHg, the balloon will burst. If 1 atm = 760 mmHg, what volume will the balloon occupy in the instant before it bursts?
Volume of the balloon occupy in the instant before it bursts is 7.39 litres and can be find out by boyle's law.
Boyle’s law:
This law gives the relationship between initial and final pressure and volumes for an ideal gas.
Initial condition
Let the volume of the balloon is V1=2.00 L
And, the initial pressure is P1=1.75 atm
Final condition
Let the volume of balloon before it bursts is V2
final pressure is P2=360 mmHg
=360/760 atm
=0.7368 atm
(1atm=760mmHg)
Now, according to boyle’s law
P1V1=P2V2
V2=P1V1/P2
V2=1.75*2.00/0.47368 L
V2=1.39L
To know more about Boyle's law here
https://brainly.com/question/15230440
#SPJ4
according to the sine-wave generated by three phase power, what is the measured separation of each phase?
Three sine waves separated by 120 degrees make up three-phase power. An AC generator with three separate windings that are each precisely 120 degrees apart generates this type of electricity.
What is three phase power ?To supply electricity to data centers, as well as to commercial and industrial buildings that house power-hungry machinery, three-phase alternating current (AC) power is frequently used. This is for good reason, as 3-phase AC power is more efficient and capable of delivering more power than single-phase AC power.
Three-phase power sources are more effective than single-phase power sources when compared. While just requiring one more wire, a three-phase power supply can transmit three times as much power as a single-phase power supply (that is, three wires instead of two).
To know more about three phase power you may visit the link:
https://brainly.com/question/17329527
#SPJ4
Two balls are dropped from rest from the same height. One of the balls is dropped 1 s after the other. a. Find the distance that separates the two balls 2 s after the second ball is dropped. b. State what happens to the distance separating the balls as time goes on.
Two balls are dropped from the same height at 1 second interval of time. The separation between the two balls after 2 seconds of the drop of the 1st ball is 14.7 m
How is it calculated?For the motion of first ball ,
u = 0
a = g
t₁ = 2 s
∴ The distance travelled by the first ball in 2 s
S₁ = [tex]\frac{1}{2}[/tex] g t₁²
∴ S₁ = [tex]\frac{1}{2}[/tex] × 9.8 × (2)²
∴ S₁ = 4.9 × 4
∴ S₁ = 19.6 m
For the motion of second ball ,
u = 0
a = g
t₂ = 2-1 = 1 s
∴ The distance travelled by the second ball in 1 s
S₂ = [tex]\frac{1}{2}[/tex] g t₂²
∴ S₂ = [tex]\frac{1}{2}[/tex] × 9.8 × (1)²
∴ S₂ = 4.9 × 1
∴ S₂ = 4.9 m
Separation between the two balls = S₁ - S₂
∴ Separation = 19.6 - 4.9
∴ Separation = 14.7 m
The distance separating the balls as time goes on is 14.7 m
What is distance?The distance between two points in physical space is the length of the straight line between them, the shortest possible path. This is the usual meaning of distance in classical physics, including Newtonian mechanics. Straight-line distance is mathematically formalized as Euclidean distance in 2D and 3D space.Can learn more about separation distance from https://brainly.com/question/11327563
#SPJ4
since 21-cm wavelengths from hydrogen pass through dust, astronomers were able to map the spiral arms of the milky way.
In the radio spectrum, hydrogen atoms emit electromagnetic radiation that can pass through the Milky Way's dust, as was discovered by astronomers.
What is a good astronomical example?The office complex was extremely expensive. This month, our phone bill was outrageous. To represent contemporary usage of the word "astronomical," these example sentences were chosen programmatically from various internet news sources.
What kinds of astronomy are there?The two primary categories of astronomy are theoretical and observational. Telescopes and photographers are used in mathematics and astronomy to view or observe constellations, galaxy clusters, and other celestial objects. Observations are explained by theoretical astronomy
To know more about astronomical visit:
https://brainly.com/question/14853303
#SPJ4
the fact that a white object under dim illumination appears lighter than a grey object under bright illumination is called
The fact that a white object under dim illumination appears lighter than a grey object under bright illumination is called lightness constancy.
What do you mean by lightness constancy?
According to the theory of lightness constancy, we continue to see an object in terms of the percentage of light that it reflects rather than the total amount of light that it reflects. A gray item will be perceived as gray across significant changes in illumination.
Our capacity to distinguish between objects' relative reflectances despite variations in illumination is referred to as lightness constancy. The continuum from black to gray to white is the most straightforward way to conceptualize brightness constancy. These achromatic lumincances are just the amount of white light that an object reflects. The majority of light is absorbed by black objects, reflected by white objects, and scattered by gray things. When we observe an object, we do so in terms of the percentage of light that it reflects rather than the overall amount of light that it reflects. This is known as lightness constancy. In other words, despite significant variations in illumination, a gray item will appear gray. In a well-lit space, a black object stays black, while a white object stays white in a dark space. In this way, brightness constancy fulfills a similar purpose to color constancy by enabling us to see an object's characteristics as being the same under various lighting circumstances.
To learn more about light constancy from the given link
https://brainly.com/question/1175934
#SPJ4
piston 2 has a diameter of 3.69 cm. in the absence of friction, determine the force required on piston 1 necessary to support an object, m, with weight 1017 n. (neglect the height difference between the bottom of the two pistons, and assume that the pistons are massless).
Pressure through the liquid is transmitted without loss.
Ppiston1 = Ppiston2
What is force?The word "force" has a specific meaning in science. At this level, calling a force a push or a pull is entirely appropriate. A force is not something an object "has in it" or that it "contains." One thing experiences a force from another. There are both living things and non-living objects in the concept of a force.
Given, piston1 diameter is equal to 0.721
diameter of piston 1: 3.69 cm
P = F/A
Area = pi x r^2 (r = d/2) d =3.69x10 ^-2 m
P2 = 1124 / (3.14x[3.69/2 x 10^-2]2
P1 = F/A1 = F/(3.14x[1.845/2 x 10^-2]2
P1 = p2
Canceling the same terms from both sides
The equation boils down to
1017/(3.69)2 = F/(0.721)2
The complete question is:
Piston 1 has a diameter of 0.721 and piston 2 has a diameter of 3.69 cm. in the absence of friction, determine the force required on piston 1 necessary to support an object, m, with weight 1017 n. (neglect the height difference between the bottom of the two pistons, and assume that the pistons are massless).
To learn more about force refer to:
https://brainly.com/question/12970081
#SPJ4
Earth absorbs about 71 percent of the heat energy from the sun. What also happens to this heat energy? (1 point)
O It is reflected back to the sun.
o It is refracted back to the sun.
O It is converted to light.
O It is converted to electricity.
It is refracted back to the sun also happens to this heat energy.
What is outgoing solar radiation?
The term "outgoing long-wave radiation" (OLR) refers to thermal radiation with electromagnetic wave lengths ranging from 3 to 100 m that is emitted into space from the Earth and its atmosphere. Other names for it include terrestrial long-wave flux and up-welling long-wave radiation.
What is incoming solar radiation?
The radiant energy that the sun emits is known as solar radiation, and it is electromagnetic in nature. Visible light and near-visible radiation are included in the electromagnetic solar radiation's whole frequency spectrum (UV Rays, Infrared Rays, X-Rays, etc.).
Therefore, it is refracted back to the sun, option (b) is correct.
Learn more about solar radiation from the given link.
https://brainly.com/question/14392965
#SPJ4
Answer:
c
Explanation:
refract ik bc i took qc
suppose the gravitational force between the moon and the earth were equal to s. if the moon's mass were halved
I have a query in response to the remark that supports the gravitational pull between both the Earth and moon.
What does force in science mean?In science, the term "force" has a particular definition. It is quite acceptable to refer to a force of this level as a push or a pull. A strength isn't actually something that something "has though" or "contains," though. A force is applied to one thing by another.
What is force in one sentence?To open the window, he used all of his muscular strength. The physical force or power produced by a living thing. To assert strength or control over someone or something, like opening a window, one must use force. Physical coercion or aggression can also be referred to as force.
To know more about force visit:
https://brainly.com/question/13191643
#SPJ4
