1.

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
Answer» E.


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