Starting from rest, a wheel with a radius of 0.55 m begins to roll across the ground in a straight line under a constant angular acceleration of 4.05 rad/s2. What is the speed of the wheel in m/s after it has rotated through 17 full revolutions
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Starting from rest, a wheel with a radius of 0.55 m begins to roll across the ground in a straight line under a constant
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- A 40.0-cm diameter disk rotates with a constant angular acceleration of 2.90 rad/s2. It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.3° with the positive x-axis at this time. (a) At t = 2.50 s, find the angular speed of the wheel. rad/s(b) At t = 2.50 s, find the magnitude of the linear velocity and tangential acceleration of P. linear velocity m/s tangential acceleration m/s2 (c) At t = 2.50 s, find the position of P (in degrees, with respect to the positive x-axis). ° counterclockwise from the +x-axisA rotating wheel requires 9.00 s to rotate 27.0 revolutions. Its angular velocity at the end of the 9.00-s interval is 99.0 rad/s. What is the constant angular acceleration (in rad/s) of the wheel?A child pushes a merry-go-round from rest to a final angular speed of 0.760 rev/s with constant angular acceleration. In doing so, the child pushes the merry-go-round 2.00 revolutions. What is the angular acceleration of the merry-go-round?
- A bicycle wheel has an initial angular velocity of 2.50 rad's. Its angular acceleration is constant and equal to 0.5 radis?. Through what angle has the wheel turned between t=0 and t=7.5 s? O 16. 2 rad O 20.4 rad O 28.5 rad O 32.8 radA wheel of diameter 21.0 cm has a 10.0 m cord wrapped around its periphery. Starting from rest, the wheel is given a constant angular acceleration of 3.00 rad/s². How long will it take the cord to unwind?a disc, starting from rest, undergoes a constant angular acceleration. It reaches an angular velocity of 3 radians/sec after rotating through a total angle of 4 radians. What is the value of its angular acceleration in radians/sec2?
- At time t=0 a grinding wheel has an angular velocity of 25.0 rad/s. It has a constant angular acceleration of 32.0 rad/s2 until a circuit breaker trips at time t= 1.80 s. From then on, the wheel turns through an angle of 433 rad as it coasts to a stop at constant angular deceleration. What was the wheel's angular acceleration as it slowed down?At time t=0, the angular velocity of a wheel is 4.55 rad/s. The wheel is accelerating with constant angular acceleration -7.42 rad/s2. After 0.386 s, find the magnitude of the linear acceleration (in m/s2) of a point on the wheel a distance 0.500 m from the axis of rotation.A rotating wheel requires 3.04-s to rotate through 37.0 revolutions. Its angular speed at the end of the 3.04-s interval is 97.4 rad/s. What is the constant angular acceleration of the wheel? rad/s?
- A wheel is initially at rest then rotates with a constant acceleration of 2.0 rad/s2 . What is its angular speed after it has gone through a displacement of 5.0 rad?A wheel, starting from rest, has a constant angular acceleration of 1.5 rad/s2. In a 1.7-s interval, it turns through an angle of 58 rad. How long has the wheel been in motion at the start of this 1.7-s interval?A 42.0-cm diameter disk rotates with a constant angular acceleration of 3.00 rad/s2. It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.3° with the positive x-axis at this time. (a) At t = 2.32 s, find the angular speed of the wheel. rad/s (b) At t = 2.32 s, find the magnitude of the linear velocity and tangential acceleration of P. linear velocity m/s tangential acceleration m/s2 (c) At t = 2.32 s, find the position of P (in degrees, with respect to the positive x-axis). _________° counterclockwise from the +x-axis