Physics

A circular disk starts from rest and spins around its central axis until it reaches 10 rad/s in 30 seconds at a constant angular acceleration. What is the angular acceleration?

  1. 👍 0
  2. 👎 0
  3. 👁 95
asked by Jessica
  1. Divide the final angular velocity (10 rad/s) by the time required to accelerate to that value (30 s). The dimensions of the answer will be rad/s^2

    1. 👍 0
    2. 👎 0
    posted by drwls

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physics

    A uniform disk with mass m = 8.54 kg and radius R = 1.35 m lies in the x-y plane and centered at the origin. Three forces act in the +y-direction on the disk: 1) a force 333 N at the edge of the disk on the +x-axis, 2) a force 333

    asked by stewart on November 10, 2014
  2. Physics

    A uniform disk with mass m = 9.42 kg and radius R = 1.31 m lies in the x-y plane and centered at the origin. Three forces act in the +y-direction on the disk: 1) a force 315 N at the edge of the disk on the +x-axis, 2) a force 315

    asked by katie on April 30, 2018
  3. Physics

    A uniform disk with mass m = 8.95 kg and radius R = 1.32 m lies in the x-y plane and centered at the origin. Three forces act in the +y-direction on the disk: 1) a force 346 N at the edge of the disk on the +x-axis, 2) a force 346

    asked by MUHAMMAD JUNAID on April 3, 2019
  4. Physics

    A flat uniform circular disk (radius = 2.10 m, mass = 1.00 102 kg) is initially stationary. The disk is free to rotate in the horizontal plane about a frictionless axis perpendicular to the center of the disk. A 40.0-kg person,

    asked by Kevin on November 4, 2010
  5. physics

    A 49.7-cm diameter disk rotates with a constant angular acceleration of 2.7 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

    asked by Anonymous on October 23, 2010
  6. physics

    A CD has a diameter of 12.0 cm and a mass of 15.8 g. The motor in a CD player causes the disk, initially at rest, to spin. When in operation, the CD spins in such a way that the laser scans the tracks at a constant tangential

    asked by trace on January 18, 2011
  7. physics

    A 44.3-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

    asked by josh on November 5, 2009
  8. Physics

    Anybody help me with this? A disk with mass m = 6.5 kg and radius R = 0.41 m hangs from a rope attached to the ceiling. The disk spins on its axis at a distance r = 1.4 m from the rope and at a frequency f = 19.4 rev/s (with a

    asked by katie on May 12, 2018
  9. Physics

    A horizontal disk with a radius of 23 m ro- tates about a vertical axis through its center. The disk starts from rest and has a constant angular acceleration of 5.5 rad/s2. At what time will the radial and tangen- tial components

    asked by Kaylee on July 2, 2014
  10. Physics

    Someone please help me! I've been stuck on this problem for a while now and i can't figure it out! A disk with mass m = 5.2 kg and radius R = 0.44 m hangs from a rope attached to the ceiling. The disk spins on its axis at a

    asked by stewart on December 5, 2014

More Similar Questions