A 44.0-cm diameter disk rotates with a constant angular acceleration of 2.60 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 = 2.38 s, find the angular speed of the wheel.   rad/s (b) At t = 2.38 s, find the magnitude of the linear velocity and tangential acceleration of P. linear velocity       m/s tangential acceleration       m/s2 (c) At t = 2.38 s, find the position of P (in degrees, with respect to the positive x-axis).

A rotating wheel requires 4.66 s to rotate through 45.9 rev. It’s angular speed at the end of the 4.66s interval is 66.2 rad/s. What is its constant angular acceleration? Assume the angular acceleration has the same sign as the angular velocity. Answer in units of rad/s^2.

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-axis

A 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 40.0-cm diameter disk rotates with a constant angular acceleration of 2.70 rad/s. 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 = 2.40 s, find the angular speed of the wheel. rad/s (b) At t = 2.40 s, find the magnitude of the linear velocity and tangential acceleration of P. linear velocity m/s tangential acceleration m/s2 (c) At t = 2.40 s, find the position of P (in degrees, with respect to the positive x-axis). ° counterclockwise from the +x-axis

A 37.2-cm diameter disk rotates with a constant angular acceleration of 2.3 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) Find the angular speed of the wheel at t = 2.30 s. rad/s(b) Find the linear velocity and tangential acceleration of P at t = 2.30 s. linear velocity  m/s tangential acceleration  m/s2 c) Find the position of P (in degrees, with respect to the positive x-axis) at t = 2.30s. °

The angular speed of a rotating platform changes from ω0 = 3.6 rad/s to ω = 6.4 rad/s at a constant rate as the platform moves through an angle Δθ = 5.5 radians. The platform has a radius of R = 12 cm. Calculate the angular acceleration of the platform α in rad/s2.

The angular speed of a rotating platform changes from ω0 = 2.6 rad/s to ω = 8.8 rad/s at a constant rate as the platform moves through an angle Δθ = 4.5 radians. The platform has a radius of R = 44 cm. Calculate the angular acceleration of the platform α in rad/s2.

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 large disk with a 2.4 m radius rotates from rest with a constant angular acceleration of 0.30 rad/s2. What are the linear speed and the magnitude of the acceleration of a point on the rim 2.5 s after it started rotating?