Multiple Choice
A rotating flywheel can be used as a method to store energy.If it has 1.0 ´ 106 J of kinetic energy when rotating at 400 rad/s,and if a frictional torque of 4.0 N*m acts on the system,in what interval of time would the flywheel come to rest?
A) 3.5 min
B) 7.0 min
C) 14 min
D) 21 min
Correct Answer:
Verified
Correct Answer:
Verified
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