A flywheel connected to a punching machine has to supply energy of 40 – McqOptions

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1.	A flywheel connected to a punching machine has to supply energy of 400 Nm while running at a mean angular speed of 20 radians/s. If the total fluctuation of speed is not to exceed ±2%, the mass moment of inertia of the flywheel in kg – m2 is
A.	25
B.	50
C.	100
D.	125
Answer» B. 50

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