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11.4 Exercise 12

Avg difficulty 2.5

A 4.0-kg particle moves in a circle of radius 2.0 m. The angular momentum of the particle varies in time according to l=5.0t2.l = 5.0 t^{2} . (a) What is the torque on the particle about the center of the circle at t=3.4st = 3.4 \text{s}? (b) What is the angular velocity of the particle at t=3.4st = 3.4 \text{s}?

OpenStax University Physics Volume 1, 11.4 Precession of a Gyroscope, exercise 12

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Adapted from University Physics Volume 1 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 1. Imported at revision db44eb9.