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A Rotating Flywheel Can Be Used as a Method to Store

Question 21

Multiple Choice

A rotating flywheel can be used as a method to store energy.If it has 2.0 × 106 J of kinetic energy when rotating at 435 rad/s,and if a frictional torque of 4.0 N A rotating flywheel can be used as a method to store energy.If it has 2.0 × 10<sup>6</sup> J of kinetic energy when rotating at 435 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) 2 300 min B) 38.3 min C) 21.1 min D) 153 min
M acts on the system,in what interval of time would the flywheel come to rest?


A) 2 300 min
B) 38.3 min
C) 21.1 min
D) 153 min

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