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A Disk Has a Moment of Inertia of 3

Question 80

Multiple Choice

A disk has a moment of inertia of 3.0 ´ 10-4 kg*m2 and rotates with an angular speed of 3.5 rad/sec.What net torque must be applied to bring it to rest within 3 s?


A) 4.5 ´ 10-3 N*m
B) 7.5 ´ 10-4 N*m
C) 3.5 ´ 10-4 N*m
D) 5.0 ´ 10-4 N*m

Correct Answer:

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