2 Figure 10-21 shows plots of angu- lar position e versus time t for three 90° cases in which a disk is rotated like a merry-go-round. In each case, the ro- tation direction changes at a certain angular position 6ehange- (a) For each case, determine whether Ochange is clockwise or counterclockwise from e = 0, or whether it is at 0 = 0. For each case, determine (b) whether w is zero before, after, or at t= 0 and (c) whether gis positive, negative, or zero. 3. -90°| Figure 10-21 Question 2.

2 Figure 10-21 shows plots of angu- lar position e versus time t for three 90° cases in which a disk is rotated like a merry-go-round. In each case, the ro- tation direction changes at a certain angular position 6ehange- (a) For each case, determine whether Ochange is clockwise or counterclockwise from e = 0, or whether it is at 0 = 0. For each case, determine (b) whether w is zero before, after, or at t= 0 and (c) whether gis positive, negative, or zero. 3. -90°| Figure 10-21 Question 2.

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter11: Angular Momentum

Section: Chapter Questions

Problem 76P: The precession angular velocity of a gyroscope is 1.0 rad/s. If the mass of the rotating disk is 0.4...

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