Which of the following is true about a wheel turning at constant angular speed? O Each point on its rim moves with constant velocity. O The angle through which the wheel turns in each second decreases as time goes on. O The wheel turns through equal angles in equal times. O The angle through which the wheel turns in each second increases as time goes on. O Each point on its rim moves with constant acceleration.

A wheel 2.00 m in diameter lies in a vertical plane and rotates about its central axis with a constant angular acceleration of 4.00 rad/s2. The wheel starts at rest at t = 0, and the radius vector of a certain point P on the rim makes an angle of 57.3 with the horizontal at this time. At t = 2.00 s, find (a) the angular speed of the wheel and, for point P, (b) the tangential speed, (c) the total acceleration, and (d) the angular position.

A wheel of 1.00 m radius turns as 253 rpm. Recall 1 revolurion = 2pi radius, and 1minute = 60.0s secondsFind the angular velocity in rad/s?

If a centrifuge has an inital angular velocity of 20 rotations per second and and a constant angular acceleration of 15 rad/s2 how fast is it rotating after 25 rotations in rotations per second.

An electric ceiling fan is rotating about afixed axis with an initial angular velocitymagnitude of 0.300 rad/s. The magnitude ofthe angular acceleration is 0.909 rad/s 2. Boththe angular velocity and angular accelerationare directed clockwise. The electric ceilingfan blades form a circle of diameter 0.730 m.What is the net acceleration of a point on thetip of the blade at time t = 1.05 s?

A wheel rotating with a constant angular acceleration turns through 13 revolutions duringa 7 s time interval. Its angular velocity at theend of this interval is 18 rad/s.What is the angular acceleration of thewheel? Note that the initial angular velocity is not zero.Answer in units of rad/s2.

A centrifuge is a common laboratory instrument that separates components of differing densities in solution. This is accomplished by spinning a sample around in a circle with a large angular speed. Suppose that after a centrifuge in a medical laboratory isturned off, it continues to rotate with a constant angular deceleration for 10.2 s before coming to rest. (a) If its initial angular speedwas 3850 rpm, what is the magnitude of its angular acceleration?(b) How many revolutions did the centrifuge complete after beingturned off?

As a marble with a diameter of 1.6 cm rolls down an incline, itscenter moves with a linear acceleration of 3.3 m>s2. (a) What is theangular acceleration of the marble? (b) What is the angular speedof the marble after it rolls for 1.5 s from rest?

A wheel of 1.00 m radius turns as 253 rpm. Recall evolution = 2pi radius, and 1minute = 60.0 seconds. Find the angular velocity in rad / s?

A large ball (radius=0.75m) with an initial rotation speed of 36rad/s is rolling up an incline without slipping . If 54m up the incline it has slowed to a rotation rate of 12rad/s, what is its angular and linear deceleration? How far up the ramp will it go before starting to roll back down? How long will it take the ball to roll back down to its initial starting position?