Q:

The flywheel of a machine having weight of 4500 N and radius of gyration of 2 m has cyclic fluctuation of speed from 125 r.p.m to 120 r.p.m. Assuming g = 10m/s², the maximum fluctuation of energy is

 A) 12822 N-m B) 24200 N-m C) 14822 N-m D) 12100 N-m

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