A cylinder has a mass of 1 kg and a diameter of 4.9 cm. It spins and slows down, starting with an initial angular velocity of 3.5 rad/s and comes to rest in 3 s. What is the torqu
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A: The time taken for the given case is ω=ω0+αtt=ω-ω0α=26-3 rad/s2 rad/s2=11.5 s
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Q: What constant angular acceleration is required to reduce an object's angular velocity from 37.8…
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Q: What constant angular acceleration is required to reduce an object's angular velocity from 37.5…
A: Given : wo = 37.5 rad/s w = 15.4 rad/s N = 11
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Q: A truck wheel with radius R= 500 cm has an initial angular velocity of 12 rad/s, and is slowing down…
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Q: A flywheel of a motor weighs 640 lbs and has a radius of gyration of 4 ft. The motor develops a…
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Q: What constant angular acceleration is required
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A: Given: Moment of inertia of the wheel = 4.0 x 10-5 Kg.m2 Angular acceleration = 150 rad/s2
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Q: A wind turbine is initially spinning at a constant angular speed. As the wind's strength gradually…
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- A dentist causes the bit of a high speed drill to accelerate from an angular speed of 1.76e4 rad/s to an angular speed of 3.71e4 rad/s. In the process, the bit turns through 1.62e4 rad.Assuming a constant angular acceleration, how long would it take the bit to reach its maximum speed of 8.42e4 rad/s starting from rest.An object has a moment of inertia of 0.79 kg m2. Its angular velocity is increasing at the rate of 0.40 rad/s per second. What is the net torque (in N m2) on the object?A turntable is switched from 13.5 rad/s to 2.4 rad/s, and the platter goes through an angle of 30.43 radian in reaching the new angular speed. What is the angular acceleration of the platter?
- A hollow disk with a moment of inertia of 0.5 kg-m2 experiences a net torque of 30 m-N. What is the disk's angular acceleration? 60 rad/s/s 0.02 rad/s/s 30 rad/s/s 15 rad/s/sAn object that is initially at rest begins to rotate under a constant angular acceleration of 2.16 rad/s2. How long does it take the object to undergo an angular displacement of 217 rad?A ball rolls on the ground at a speed of 3.0 m/s without slipping. If the radius of the ball is 10 cm, what is the angular speed of the ball? Multiple Choice 30 rad/s 0.30 rad/s 90 rad/s 3.3 rad/s
- A constant torque of 25 N.m is apllied to a grindstone whose moment of inertia is 0.125kg.m^2. What is the angular speed (in rad/s) after the grindstone has made 10 revolutions? (Neglect friction)A bicycle wheel, of radius 0.300 m and mass 1.59 kg (concentrated on the rim), is rotating at 4.00 rev/s. After 52.8 s the wheel comes to a stop because of friction. What is the magnitude of the average torque due to frictional forces?A 1.756-kg sphere of radius 0.31 m is rotating about an axis through its center at 24.843 rev/s with the angular velocity in the +z direction. A torque 11.573N∙m acts on the sphere about the center of the sphere in the +x direction. What is the angular acceleration, in rad2/s, of the sphere? (Isphere = 2/5 MR2)
- An object has a moment of inertia of 5.73 kg m², and a torque of 18.7 N · m is applied on it. What is the angular acceleration of the object in unit of rad/s?A merry-go-round accelerates from rest to 0.72 rad/s in 37 s. Assuming the merry-go-round is a uniform disk of radius 8.0 m and mass 3.20×104 kg , calculate the net torque required to accelerate it.A uniform sphere of radius 1.0 m and mass 2.30 kg rolls without slipping to the bottom of an 8 m inclined with a slope 300 . The sphere's angular velocity at the bottom is: Group of answer choices 5.83 rad/s 3.7 rad/s 7.48 rad/s 4.63 rad/s