
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Transcribed Image Text:1. Calculate the angular momentum and kinetic energy of an object rotating at 2.5 rad/s with a mass
of 10. kg and a radius of 0.50 m given the following geometries:
Solid cylinder
Hollow cylinder
Solid sphere
Hollow sphere
a.
b.
C.
d.
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- 3. A rowing machine consists of a solid disk with a radius of 20-cm and a mass of 19-kg. An athlete pulls on the attached cable with a force of 10-Newtons and causes the disk to accelerate. If the disk starts from rest, determine; a. The disk's moment of inertia. b. The magnitude of the torque applied by the athlete. C. The disk's angular acceleration. d. The disk's angular momentum at t = 5.0 sec.arrow_forward3. A disk accelerates from rest to an angular velocity of 600 rad/s in 3.0 s. (a) What constant angular acceleration does it have? (b) How many revolutions did you make in that time?arrow_forward9arrow_forward
- 19. A wheel 1.00 m in radius is rotating at 100 rad/s. The wheel accelerates uniformly from 100 rad/s to 500 rad/s in 100 revolutions. Determine the Rate of angular acceleration Time required for the wheel to accelerate to 500 radians per second Tangential acceleration of a point on the rim as the wheel is accelerating Radial acceleration of a point on the rim before acceleration beginsarrow_forward31. Which of the following is true for angular motion? A uniform net torque always causes an increase in angular speed. A uniform net torque always changes the direction of the angular displacement vector. A uniform net torque always change the magnitude of the rotational inertia. A uniform net torque will always cause a change of angular momentum.arrow_forward5-arrow_forward
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