A disk has a moment of inertia of 3.0 X 10-4 kg.m? and rotates with an angular speed of 7.3 rev/sec. What net torque must be applied to bring it to rest within 3 s? O a. 0.001 N.m O b. 0.005 N.m O . 0.013N.m

A disk has a moment of inertia of 3.0 X 10-4 kg.m? and rotates with an angular speed of 7.3 rev/sec. What net torque must be applied to bring it to rest within 3 s? O a. 0.001 N.m O b. 0.005 N.m O . 0.013N.m

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter10: Rotational Motion And Angular Momentum

Section: Chapter Questions

Problem 39PE: A playground merry-go-round has a mass of 120 kg and a radius of 1.80 m and it is rotating with an...

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Question

g = 10 m/s^2

A disk has a moment of inertia of 3.0 X 10-4 kg.m? and rotates with an angular speed of 7.3 rev/sec. What net
torque must be applied to bring it to rest within 3 s?
O a. 0.001 N.m
O b. 0.005 N.m
O c.0.013N.m
O d. 0.009N.m

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