Answer:
Members of a team work together to create a plan, and then members choose different tasks to carry out the plan.
what if? if the woman still pulls on the strap with a 34.5 n force but wishes to accelerate the suitcase at a rate of 0.500 m/s2, at what angle (in degrees) must she pull on the strap? assume that the rolling friction is independent of the angle of the strap.
The angle at which the woman pull on the strap with a 34.5N force but wishes to accelerate the suitcase at a rate of 0.500 m/s2 is 0°
Given:
F = 34.5 N
Friction force = 20.0 N
m = 16.5 kg
The net force, Fnet, must be equal to the mass of the suitcase, 16.5 kg, times the acceleration, 0.500 m/s^2, or 8.25 N.
Fnet = ma
8.25 N = 16.5 kg * 0.500 m/s^2
The net force, Fnet, will be equal to the force of the strap, F, minus the friction force, Ffriction, or 34.5 N - 20.0 N = 14.5 N.
Fnet = F - Ffriction
14.5 N = 34.5 N - 20.0 N
To find the angle, θ, at which the strap must be pulled, we can use the following equation:
Fnet = Fcosθ - Ffriction
14.5 N = 34.5 Ncosθ - 20.0 N
Solving for θ, we get:
θ = 0°
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complete question: A woman at an airport is towing her 16.5 kg suitcase at a constant speed by pulling on a strap at an angle θ above the horizontal (see figure). She pulls on the strap with a 34.5N force, and the friction force on the suitcase is 20.0 N. A woman holds the strap of a suitcase while pulling it to the right. The strap makes an angle θ measured counterclockwise from the horizontal. What If? If the woman still pulls on the strap with a 34.5 N force but wishes to accelerate the suitcase at a rate of 0.500 m/s2, at what angle (in degrees) must she pull on the strap? Assume that the rolling friction is independent of the angle of the strap
the range of possible frequencies of radiation is called the ______ spectrum.
The range of possible frequencies of radiation is called the electromagnetic spectrum.
What is the electromagnetic spectrum and how is it classified?The electromagnetic spectrum is the variety of all possible frequencies of electromagnetic radiation. This consists of radio waves, microwaves, infrared radiation, seen mild, ultraviolet radiation, X-rays, and gamma rays. The spectrum is classed based totally at the frequency and wavelength of the radiation, with each sort of radiation occupying a specific area of the spectrum. The class is primarily based on their capability to tour thru one of a kind substances and their interactions with matter. The distinct areas of the spectrum have an expansion of realistic applications, from conversation technology to medical imaging.
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What is the correct symbol and units of wavelength?
In wireless systems, wavelength is often expressed in metres (m), centimetres (cm), or millimetres (mm). Wavelength is typically represented by the Greek symbol lambda (λ).
The wavelength is the separation between the corresponding points of two succeeding waves, and is equal to the speed (v) of a wave train in a medium divided by its frequency (f). When two points or particles are referred to be "corresponding points," it means that they are both in the same phase and have completed exactly the same portions of their periodic motion. Typically, the wavelength of transverse waves—those whose points advance at right angles to one another—is measured from crest to crest or from trough to trough; for longitudinal waves—those whose points advance in the same direction—the wavelength is measured from compression to compression or from rarefaction to rarefaction.
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two point charges, a and b, are separated by a distance of 17.0 cm . the magnitude of the charge on a is twice that of the charge on b. if each charge exerts a force of magnitude 47.0 n on the other, find the magnitudes of the charges.
The charge on plate a is [tex]54.8 * 10^{-3}C[/tex] while that on plate b is [tex]27.4 * 10^{-3}C[/tex] that are separated by a distance of 17.0 cm.
Let the magnitude of the charge on charge a be qa and that of the charge on charge b be qb.
The magnitude of the force on each charge due to the other charge can be found using Coulomb's law:
[tex]F = k(qa*qb)/r^2,[/tex]
where k is the Coulomb constant, qa is the magnitude of the charge on charge a, qb is the magnitude of the charge on charge b, and r is the distance between the two charges.
Given the force of magnitude = 47.0N
The distance between the charges are = 17cm
Since the magnitude of the charge on charge a is twice that of the charge on charge b, we can write:
qa = 2qb
Substituting the given values into the equation, we get:
[tex]47.0 N = (8.99 * 10^9 Nm^2/C^2)(qa*qb)/(17.0cm)^2[/tex]
Rearranging, we get:
[tex]qaqb = (47.0 N)*(17.0 cm)^2/(8.99 * 10^9 Nm^2/C^2)[/tex]
[tex]qb^2 = 754.6 * 10^{-9}[/tex]
[tex]qb = 27.4 * 10^{-3}C[/tex]
then [tex]qa = 2 * 27.4 * 10^{-3} = 54.8 *10^{-3}C[/tex]
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How do you solve questions 3 and 4?
Answer:
Q3) B Q4) D
Explanation:
I looked at the photo and they were circled. Hope this helps!!
Can a vector with zero magnitude have one or more components that are zero? Explain.
Yes, a vector with zero magnitude can have one or more components that are zero. This is because a vector's magnitude is determined by the length of its components, which can be zero even if the magnitude of the vector is zero.
What is magnitude?Magnitude is a measure of the size, intensity, or strength of something. It is most commonly used to describe the size of an earthquake, magnitude being a measure of its energy release. It can also refer to the size of an astronomical object, such as a star or planet, or the strength of a magnetic field. Magnitude is expressed using a logarithmic scale, with each increase in magnitude representing a ten-fold increase in the strength or size of an object. For example, an earthquake of magnitude 5.0 is ten times as powerful as one of magnitude 4.0. Magnitude is an important concept in physics, astronomy, and other sciences.
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(c) Determine the total work done on the ball from A to B
V = sqrt (KE * 2 / m) = 4.913 m/s, where KE = 0.5 * 0.58 * 1.6*1.6 = 0.7424 J. (c) Work done = change in KE = 7 - 0.7424 = 6.2576 J.
Work is the energy used by one thing to move another object across a distance by applying a force. The equation W = F x d calculates the work done on an item with a given force, F, and a certain distance, d. It should be noted that this equation presupposes that the force is applied in a direction parallel to the object's direction of motion. How to manage non-parallel circumstances will be covered in a later lecture.
When we apply force "F" to a block, the body moves with some acceleration or, moreover, its speed increases or decreases depending on the direction of the force. The system's kinetic energy changes as speed increases or decreases.
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The complete question is:
A 0.58 kg rubber ball has a speed of 1.60 m/s at point A and kinetic energy of 7.0 J at point B. (a) Determine the ball's kinetic energy at A (b) Determine the ball's speed at B (c) Determine the total work done on the ball from A to B
which of the following is the best example of kinetic energy? ? a bird flying through the air ? a compressed spring ? a hammer set on a table ? a woodpecker about to hammer a tree
The best example of kinetic energy is a bird flying through the air. Kinetic energy is the energy an object possesses through motion.
What is kinetic energy?
Kinetic energy is the power a moving item uses to move. It is the energy of an object caused by its movement.It is the energy that an object has due to its movement. It is calculated by multiplying the object's mass by the square of its speed. The kinetic energy is directly proportional to the mass of the body and the square of its speed. Kinetic energy is a form of energy in motion, such as B. a moving car, a flying ball or a walking person. It is a form of energy associated with the movement of an object.
Kinetic energy is an important concept in physics because it is used to explain many phenomena and in many calculations.
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. two blocks are connected by a massless rope as shown below. the mass of the block on the table is 4.0 kg and the hanging mass is 1.0 kg. the table and the pulley are frictionless. (a) find the acceleration of the system. (b) find the tension in the rope. (c) find the speed with which the hanging mass hits the floor if it starts from rest and is initially located 1.0 m from the floor.
A- The acceleration of the system is 1.96 [tex]m/s^{2}[/tex], B- the tension in the rope is 7.84N, C- the velocity at which the hanging mass strikes the ground if it begins at rest and is positioned 1.0 meters off the ground is 1.98 m/s.
A- both the masses will have same magnitude of acceleration a ,
m2g-T = m2a
T=m1a
from both the equations a = m2g/(m1 + m2) = 1.96[tex]m/s^{2}[/tex]. Therefore, The acceleration of the system is 1.96 [tex]m/s^{2}[/tex]
B- T = m1a = 7.84 N is the tension in the rope
C- [tex]V_{f^{2} }[/tex] = [tex]V_{i^{2} }[/tex] + 2as
= 0 + 2am
= 1.98 m/s
Hence , the velocity at which the hanging mass strikes the ground if it begins at rest and is positioned 1.0 meters off the ground is 1.98 m/s.
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The complete question is :
As seen in the illustration below, a massless rope links two blocks. The hanging mass is 1.0 kg, whereas the block on the table weighs 4.0 kg. No friction exists between the table and the pulley. Find the system's acceleration in (a). (b) Determine the rope's tension. (c) determine the speed at which the hanging mass will strike the ground if it begins at rest and is 1.0 m from the ground.
Steady precipitation preceding a front is an indication of:a) stratiform clouds with moderate turbulence
b) cumuliform clouds with little or no turbulence
c) stratiform clouds with little or no turbulence
Steady precipitation preceding a front is most likely an indication of stratiform clouds with little or no turbulence.
The steady precipitation preceding a front is an indication of stratiform clouds with little or no turbulence. Stratiform clouds are layered and cover a large area, producing a wide, steady, and uniform precipitation that can last for many hours. These clouds form when moist air is lifted and cooled, resulting in a broad cloud layer with a relatively uniform base and top.
The steady precipitation ahead of a front is often caused by the uplift of warm air over cooler air, which creates a wide, relatively stable front. This stable front tends to produce stratiform clouds that extend over a large area and produce steady precipitation. On the other hand, cumuliform clouds are characterized by vertical development, producing showers and thunderstorms with a lot of turbulence.
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Which type of satellite is useless for meteorologists at 3AM?
Select one:
a. visible satellite imagery
b. infrared satellite imagery
c. water vapor imagery
oppositely charged parallel plates are separated by 5.16 mm. a potential difference of 600 v exists between the plates. (a) what is the magnitude of the electric field between the plates?
The magnitude of the electric field between the plates is 116279 N/C. A parallel-plate capacitor is a device that stores electric charge and electric potential energy.
The electric field between the plates of a parallel-plate capacitor is given by:
E = V/d
where E is the electric field (in N/C), V is the potential difference (in volts), and d is the distance between the plates (in meters).
In this problem, we are given V = 600 V and d = 5.16 mm = 0.00516 m. Substituting these values into the equation, we get:
E = V/d
E = 600 V / 0.00516 m
E = 116279 N/C
Therefore, the magnitude of the electric field between the plates is 116279 N/C
A parallel-plate capacitor is a device that stores electric charge and electric potential energy. It consists of two conducting plates separated by a small distance, with the space between the plates filled with an insulating material (called a dielectric).
In this problem, we were given the potential difference and the distance between the plates, and we used the formula for the electric field to calculate its magnitude. The electric field is a fundamental concept in electromagnetism, and it plays an important role in a wide range of phenomena, from the behavior of charged particles to the operation of electronic devices.
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Express all answers in scientific notation and state their units clearly Given D = M/V Find D When M = 2.5kg V =50m³
Answer:
In scientific notation, the density would be 5 x 10^-2 kg/m³ or 5 x 10^-2 g/cm³.
Explanation:
To find D, we just need to divide M by V.
M = 2.5 kg
V = 50 m³
D = M/V = 2.5 kg / 50 m³ = 0.05 kg/m³
The unit of density (D) is kg/m³, which can also be expressed as g/cm³.
In scientific notation, the density would be 5 x 10^-2 kg/m³ or 5 x 10^-2 g/cm³.
a charge of 21 nc is uniformly distributed along a straight rod of length 3.6 m that is bent into a circular arc with a radius of 2.5 m. what is the magnitude of the electric field at the center of curvature of the arc?
A straight rod of length 3.6 m is bent into a circular arc with a radius of 2.5 m, dispersing a charge of 21 nc evenly throughout its length. The strength of the electric field at the arc's curvature center is 11.868 N/C.
l=rθ
3.6=2.5θ
θ=82.5°
E=[tex]\frac{\lambda }{4\pi E_{o}r }(sin\frac{\theta }{2} +sin\frac{\theta }{2} )[/tex]
E=[tex]\frac{a/l }{4\pi E_{o}r }(2 sin\frac{\theta }{2} )[/tex]
E=[tex]\frac{9*10^{9} }{2.5}*\frac{21*10^{-9}}{3.6} (2 sin\frac{82.5 }{2} )[/tex]
E=11.868 N/C
In physics, an electric field is a fundamental concept that describes the effect of electric charges on the space around them. Electric fields arise due to the presence of charged particles or electrically charged objects. The electric field is a vector field that describes the force experienced by a charged particle at any given point in space. The strength of the electric field is measured in units of volts per meter (V/m) and is directly proportional to the amount of charge and inversely proportional to the distance between the charges. The electric field plays a critical role in a variety of physical phenomena, including electric motors, electronics, and the behavior of charged particles in particle accelerators.
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Ultraviolet, visible, and infrared light are all examples of _______ radiation, which has the properties of both particles and __________.
Answer:
Ultraviolet, visible, and infrared light are all examples of electromagnetic radiation, which has the properties of both particles and waves.
Explanation:
your roommate is working on his bicycle and has the bike upside down. he spins the 60.0 cm -diameter wheel, and you notice that a pebble stuck in the tread goes by three times every second. what is the acceleration of the pebble
The acceleration of the pebble stuck in the tread goes by three times every second is 106.592 m/s².
Diameter = 60 cm, Radius = 60/2 = 30 cm = 30/100 = 0.3 m.
The pebble in the tread goes by 3 times every second.
This is the same as 3 times per second.
Recall the unit of frequency is Hertz or per second, s⁻¹
So 3 times per second, Frequency, f = 3s⁻¹ or 3 Hertz
For angular motion:
Angular speed, ω = 2πf
= 2*π*3
= 6π rad/s
Linear speed, v = ωr = 6π * 0.3 = 1.8π m/s
Linear acceleration, a = v² / r
a = 1.8π * 1.8π / 0.3 = 10.8π² m/s²
Angular acceleration α = a/r = 10.8π² / 0.3 = 36π² rad/s²
Angular speed = 6π rad/s ≈ 18.840 rad/s
The linear speed of the pebble = 1.8π m/s ≈ 5.655 m/s
The angular acceleration = 36π² rad/s² ≈ 355.306 rad/s²
The linear acceleration of the pebble = 10.8π² m/s ≈ 106.592 m/s²
The rate at which the speed and direction of a moving object vary over time. A point or object going straight ahead is accelerated when it accelerates or decelerates. Even if the speed is constant, motion on a circle accelerates because the direction is always shifting.
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ramon has contact lenses with the prescription 2.0 d. a. what eye condition does ramon have? b. what is his near point without the lenses?
The closest object that the eye can concentrate on is referred to as the near point. Typically, vision at a near point of 25 cm is regarded as “normal.”
What is the near point without the lenses?So, because the power is negative, he won't be able to see the nearby objects quickly. This kind of victim is known as the metro pia, and it starts out right. Far-sightedness, or hyper metro pia, affects Raymond.
Sightedness for fire. The person in question is unable to stand on two feet as a result of this consequence. The farthest thing an average eye can image onto the retina is called the far point of a human eye.
Therefore, choose a prominent form behind the retina of the eye rather than focusing on the close items clearly. And to correct this flaw, a convex lens is utilized.
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the fundamental frequency of a string fixed at both ends is 331 hz. how long does it take for a wave to travel the length of this string?
The fundamental frequency of a string that is fixed at both ends is given by
f = v /2sL
where v and L are the speed of sound and string length, respectively.
The amount of time it takes for the wave to travel the length of the string, on the other hand, is given by
t = L/v
As a result, we have
t = L/v
t = v /2f /v
t = 1 /2f
t = 1 /2f
t= 1/2(255hz)
t=1.96 *10⁻³s
The fundamental frequency is computed as f = v/2*L, where v is the speed of the sound wave and L is the length of a tube or device through which the wave is moving. Wavelength multiplied by frequency equals speed. The wave length in this equation is given in metres, while the frequency is measured in hertz (Hz), or the number of waves per second. As a result, wave speed is expressed in metres per second, the SI unit of speed. If the frequencies are all integers or precise multiples of a fundamental frequency, the greatest common divisor of the frequencies can be used. If the frequencies are 1760, 2200, and 3080, then the fundamental frequency is 440 since it is the greatest common divisor.
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a boy on a ladder 2.0 m high has a mass of 63.5 kg. what is his potential energy, relative to the ground?
The potential energy relative to ground will be 1245.445 J. If mass= 63.5 kg, height =2m.
What is potential energy?Potential energy in physics is the energy that an item retains as a result of its position in relation to other objects, internal tensions, electric charge, or other elements.
The gravitational potential energy of an item, the elastic potential energy of a stretched spring, and the electric potential energy of an electric charge in an electric field are examples of common types of potential energy. The joule, denoted by the letter J, is the energy unit in the International System of Units (SI).
Although it has connections to the Greek philosopher Aristotle's concept of potentiality, the word potential energy was coined by the Scottish engineer and physicist William Rankine in the 19th century[3][4]. Forces acting on a body in a way that increases the total work have potential energy attached to them.
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what is the energy of a radio photon from the same station?
A radio photon is a quantum of electromagnetic radiation in the radio frequency range of the electromagnetic spectrum. Electromagnetic radiation is a type of energy that travels through space as waves, and is characterized by its frequency, wavelength, and energy.
What is the energy of a radio photon from the same station?The energy of a radio photon from a particular radio station depends on the frequency of the radio wave, which is typically measured in Hertz (Hz). The energy of a photon is given by Planck's equation:
E = h*f
where E is the energy of the photon, h is Planck's constant (6.626 x 10^-34 joule-seconds), and f is the frequency of the wave.
For a typical radio station, the frequency of the radio wave is in the range of several hundred kilohertz to several megahertz. Let's take the example of a radio station that broadcasts at a frequency of 1000 kilohertz (1 megahertz).
Using the equation above, we can calculate the energy of a single photon of this radio wave as follows:
E = 6.626 x 10^-34 J*s * 1 x 10^6 Hz
E = 6.626 x 10^-28 joules
So, the energy of a radio photon from a 1-megahertz radio station is about 6.626 x 10^-28 joules.
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three motions are listed: an object changes direction an object changes mass an object changes position which of the three is considered acceleration? a only b only a and c b and c
Acceleration is a measure of how quickly an object changes its velocity, and is given by the rate of change of its velocity over time.
Of the three motions listed, changing direction and changing position are considered acceleration. This is because changing direction involves a change in velocity, even if the speed remains constant. Similarly, changing position involves a change in velocity, as the object is accelerating in a particular direction. On the other hand, changing mass is not considered acceleration because it does not affect the object's velocity. While it may affect other properties of the object's motion, such as its momentum or kinetic energy, it does not result in a change in velocity, and therefore is not considered acceleration. Acceleration is a measure of how quickly an object changes its velocity, and is given by the rate of change of its velocity over time.
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Answer:
A and B
Explanation:
I took the exam
uppose you have two metal cubes, one made of iron and one made of aluminum. You transfer the same amount of heat Q to each of them. Which cube will have the higher final temperature, given they have the same masses and initial temperatures?a. Iron Cubeb. Aluminum Cube
Answer:
Q = C M ΔT where C is specific heat in cal / gm*deg C
C (Fe) = .11
C (Al) = .22
obviously ΔT has to be twice as great for Iron (Fe) as for (Al) for the same amount of heat to be transferred
ΔT = Q /(C * M) where ΔT is the change in temperature
a) iron would have the higher final temperature
An airplane flies with a constant speed of
540 miles per hour. How long will it take to travel a distance of 2160 miles?
Answer:
4 hours
Explanation:
2160 miles ÷ 540 miles/hr = 4
(ii) One possible path of the spacecraft as it approaches the planet is shown in fig.1.1 The spacecraft enters the orbit at point A with speed 3.7x10^3 ms^-1.At point B, a distance of 5.00x10^7 from the centre of the planet, the spacecraft has a speed of 4.1x10^3ms^-1. The mass of the spacecraft is 650kg. For the spacecraft moving from point B to point A, show that the change in gravitational potential energy of the spacecraft is8.3x10^9
The change in gravitational potential energy of the spacecraft as it moves from point B to point A is 8.3x10^9 J.
The change in gravitational potential energy of the spacecraft as it moves from point B to point A can be calculated using the formula:
[tex]ΔPE = -GMm(1/rA - 1/rB)[/tex] , where
ΔPE is the change in gravitational potential energy,
G is the gravitational constant,
M is the mass of the planet,
m is the mass of the spacecraft,
rA is the distance from the planet's center at point A, and
rB is the distance from the planet's center at point B.
Using the given values, we have:
[tex]ΔPE = -(6.67x10^-11 Nm^2/kg^2)(1.50x10^24 kg)(650 kg)(1/5.00x10^7 m - 1/0)[/tex][tex]ΔPE = -(6.67x10^-11 Nm^2/kg^2)(1.50x10^24 kg)(650 kg)(1/5.00x10^7 m - 1/0)[/tex]
Simplifying the expression, we get:
[tex]ΔPE = -8.3x10^9 J[/tex]
Therefore, the change in gravitational potential energy of the spacecraft as it moves from point B to point A is [tex]8.3x10^9[/tex]J, which is a negative value because the spacecraft is moving closer to the planet and its gravitational potential energy is decreasing.
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you're flying a cessna 182 skylane, n935fa, on a cross-country vfr flight with flight following. during a handoff, the ideal call sign to use when contacting the new controller is .
You're flying a Cessna 182 Skylane, N935FA, on a cross-country VFR flight with flight following. During a handoff, the ideal call sign to use when contacting the new controller is Skylane 935FA.
Flight following is a relatively simple concept as it’s an aircraft flying under VFR that is taking use of Air Traffic Control (ATC) services. Practically, it indicates that several advisories may be available from the controller and the flight is radar identified by ATC.
The service is given on a workload-permitting basis and involves multiple layers of service, there’s not entirely uniform delivery among Center or Approach control facilities. The fusion of these realities has resulted in misinformation, misunderstandings, and even no awareness of its existence.
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What are the radiation types in order from lowest to highest energy?
Alpha, beta, and gamma radiation types are listed from lowest to highest energy.
The three forms of radiation were investigated by Rutherford. A helium nucleus, which has a large mass and a limited range, makes up the alpha particle in alpha radiation, which is made up of two protons and two neutrons. Beta radiation is composed primarily of electrons and may reach up to one meter in distance. Gamma radiation, for example, is made up of very energetic photons (it does not have my electrical charge or resting mass).
The particles that are released by radioactive materials have energy. There are three different kinds of particles: alpha, beta, and gamma. The penetrating power of the particles determines their energy.
Alpha rays < Beta rays < Gamma rays
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webassign astronomy light from the sun takes 8 minutes to reach earth. how long (in min) does it take to reach saturn, 9.55 au from the sun?
The required time for the light to reach Saturn from the Sun is calculated to be 76.4 min.
It is given that the light takes 8 minutes to reach the Earth from the Sun.
We are told to determine how long it takes for light to travel from the Sun to Saturn.
The distance between the Saturn and the Sun is given as 9.55 au.
Distances in solar system are measured in astronomical units.
The separation between the Earth and the Solar is 1 au.
For 1 au, it takes 8 minutes.
So, for 9.55 au it takes, 9.55(8) = 76.4 min.
As a result, it takes some time for the radiation from the Sun to reach Saturn.
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why is the moment of inertia of a hoop that has a mass m and a radius r greater than the moment of inertia of a disk that has the same mass and radius?
Moment of inertia of hoop is greater than disk of same mass and radius because hoop mass is at greater distance from the axis of rotation.
Moment of inertia measures an object's resistance to rotational motion around given axis. Depends on mass distribution geometry of object. Hoop's Moment of inertia is greater than disk with same mass and radius as hoop's mass is at greater distance from axis of rotation.
A hoop is a thin circular ring, and all its mass is located on its outer edge. Therefore, the mass is concentrated at a maximum distance from the axis of rotation, resulting in a larger moment of inertia. In contrast, a disk has a more uniform mass distribution, with the mass distributed closer to the axis of rotation than in the case of the hoop. As a result, a disk has a smaller moment of inertia than a hoop with the same mass and radius.
To illustrate this concept, consider two objects with the same mass and radius: a solid disk and a hoop with no thickness. The moment of inertia of the hoop is twice that of the disk, even though they have the same mass and radius. This is because all the mass of the hoop is located at a larger radius than the mass in the disk, leading to a larger moment of inertia.
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A pipe 1.00 m long is closed at one end. A guitar is placed near the open end of the tube and the string is plucked. The guitar string is 0.50 meters long and has a mass of 0.0010 kg. The string vibrates in its fundamental mode (1st harmonic) and produces a 1st overtone (3rd harmonic) standing wave in the closed pipe. If the speed of sound is 340 m/s, determine the tension in the guitar string.
Hint: the frequency of the vibrating guitar string is the same as the frequency produced in the closed pipe.
The tension in the guitar string is approximately 165 N.
How to determined the fundamental frequency (1st harmonic) of the closed pipeThe fundamental frequency (1st harmonic) of the closed pipe
can be determined using the formula:
f = v/2L
where
f is the frequencyv is the speed of sound L is the length of the pipeSubstituting the given values, we get:
f = 340 m/s / 2(1.00 m) = 170 Hz
The frequency of the 1st overtone (3rd harmonic) is three times the fundamental frequency, so:
f_overtone = 3f = 3(170 Hz) = 510 Hz
The tension in the guitar string can be determined using the formula:
f = 1/2L√(T/μ)
where T is the tension in the string and μ is the linear mass density (mass per unit length) of the string. The linear mass density can be determined from the given mass and length of the string:
μ = m/L = 0.0010 kg / 0.50 m = 0.0020 kg/m
Substituting the given and calculated values, we get:
510 Hz = 1/2(0.50 m)√(T/0.0020 kg/m)
Simplifying and solving for T, we get:
T = (4π^2)(0.0020 kg/m)(510 Hz)^2(0.50 m)^2 = 165 N
Therefore, the tension in the guitar string is approximately 165 N.
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Can someone help me with this
(a) For graph A the object is moving at a zero constant speed.
(b) For graph B the object is moving at a constant speed greater than zero.
(c) For graph C the object is moving a uniform speed.
What is constant and uniform velocity?Constant velocity refers to a situation in which an object moves at a constant speed in a straight line. This means that the magnitude of the velocity (i.e. the speed) of the object remains the same over time, while its direction may or may not change.
Uniform velocity refers to a situation in which an object moves with a constant speed, but also changes its direction. In other words, the object has a constant magnitude of velocity (i.e. speed), but its direction is constantly changing. An object moving in a circular path at a constant speed is an example of an object with uniform velocity.
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