A flywheel connected to a punching machine has to supply energy of 400 Nm while

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A flywheel connected to a punching machine has to supply energy of 400 Nm while running at a mean angular speed of 20 rad/s. If the total fluctuation of speed is not to exceed ± 2%, the mass moment of inertia of the flywheel in kg-m2 is

Options:

A . 25

B . 50

C . 100

D . 125

Answer: Option A

-NA-

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