Starting from rest, a 6cm-radius compact disc takes 3s to reach its operating angularvelocity of 2000rpm. The disc has a mass of 15g. Assuming the angular accelerationremains constant while speeding up, what is the magnitude of net torque applied to thedisc?
Starting from rest, a 6cm-radius compact disc takes 3s to reach its operating angularvelocity of 2000rpm. The disc has a mass of 15g. Assuming the angular accelerationremains constant while speeding up, what is the magnitude of net torque applied to thedisc?
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter8: Rotational Equilibrium And Rotational Dynamics
Section8.5: Relationship Between Torque And Angular Acceleration
Problem 8.2QQ: A constant net torque is applied to an object. Which one of the following will not be constant? (a)...
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Question
Starting from rest, a 6cm-radius compact disc takes 3s to reach its operating angular
velocity of 2000rpm. The disc has a mass of 15g. Assuming the angular acceleration
remains constant while speeding up, what is the magnitude of net torque applied to the
disc?
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