Multiple Choice
A gyroscope has a moment of inertia of 0.140 kg*m2 and has an initial angular speed of 15.0 rad/s.If a lubricant is applied to the bearings of the gyroscope so that frictional torque is reduced to 2.00 x 10-2 N*m,then in what time interval will the gyroscope coast from 15.0 rad/s to zero?
A) 150 s
B) 105 s
C) 90.0 s
D) 180 s
Correct Answer:
Verified
Correct Answer:
Verified
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