Moment of Inertia :: Discussion


1.A gun fires a bullet of mass 50g with a velocity of 30m/s. Because of this, the gun is pushed back with a velocity of 1m/s. The mass of the gun is?
A.5.5kg
B.3.5kg
C.1.5kg
D.0.5kg
Answer:  Option  C
Explanation:

By conservation of momentum, MV = mv
M = mv/V = 1.5kg.

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Published by:Michael Daani

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