A disk of mass M = 2.0 kg and radius R = 0.25 m is free to rotate about its center. Two forces, F1 = 1.0 N and F2 = 4.0 N are applied tangentially to the disk, as shown. 1. How fast is a point located on the edge of the disk moving at t = 2.5s? 2. How many revolutions has the disk made after t = 2.5 s, assuming it starts from rest?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter10: Fixed-axis Rotation
Section: Chapter Questions
Problem 96P: A thin stick of mass 0.2 kg and length L=0.5m is attached to the rim of a metal disk of mass M=2.0kg...
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A disk of mass M = 2.0 kg and radius R = 0.25 m is free to rotate about its center. Two forces, F1 = 1.0 N and F2 = 4.0 N are applied tangentially to the disk, as shown.

1. How fast is a point located on the edge of the disk moving at t = 2.5s?

2. How many revolutions has the disk made after t = 2.5 s, assuming it starts from rest?

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