physics

posted by .

When the play button is pressed, a CD accelerates uniformly from rest to 495 rev/min in 3.1 revolutions. If the CD has a radius of 6 cm, and a mass of 17 g, what is the torque exerted on it?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Physics

    Sorry new here trying to figure out angular problem with a disc, only have 2 attempts remaining please help me out :D. When the play button is pressed, a CD accelerates uniformly from rest to 470rev/min in 3.0 revolutions. If the CD …
  2. physics

    A centrifuge rotor rotating at 7,000 rpm is shut off and is eventually brought uniformly to rest by a frictional torque of 1.30 m·N. If the mass of the rotor is 4.80 kg and it can be approximated as a solid cylinder of radius 0.0710 …
  3. physics

    a train starts from rest and accelerates uniformly at 100m/min^2 for 10 min.then it maintains a constant velocity for remaining 20 min.brakes are applied and train uniformly retards and comes to rest in next 5 min. a)the maximum velocity …
  4. physics

    a train starts from rest and accelerates uniformly at 100m/min^2 for 10 min.then it maintains a constant velocity for remaining 20 min.brakes are applied and train uniformly retards and comes to rest in next 5 min. a)the maximum velocity …
  5. physics

    A spinning disk of mass 5.0 kg and radius 0.25m is rotating about an axis through its center at 400 rev/min. a.) What is the angular velocity of the disk in rad/s?
  6. Physics

    A spinning disk of mass 5.0 kg and radius 0.25m is rotating about an axis through its center at 400 rev/min. a.) What is the angular velocity of the disk in rad/s?
  7. physics

    3- An electric motor can accelerate a Ferris wheel of moment of inertia (I =20 000 kg.m2) from rest to (10.0 rev/min) in (12.0 s). When the motor is turned off, friction causes the wheel to slow down from (10.0 to 8.00 rev/min) in …
  8. Physics

    How does torque equal to <frictional force times radius [of solid cylinder]>?
  9. Physics

    an electric motor accelerates a grinding wheel at constant acceleration from 112 rev/min to 295 rev/min in 13 seconds. how many revolutions did it make in this time?
  10. physics

    When the play button is pressed, a CD accelerates uniformly from rest to 420 rev/min in 5.0 revolutions. Part A If the CD has a radius of 6.5 cm and a mass of 20 g , what is the torque exerted on it?

More Similar Questions