Laws Of Motion Question 49

Question: A bullet mass 10 gm is fired from a gun of mass 1kg. If the recoil velocity is 5 m/s, the velocity of the muzzle is [Orissa JEE 2002]

Options:

A) 0.05 m/s

B) 5 m/s

C) 50 m/s

D) 500 m/s

Show Answer

Answer:

Correct Answer: D

Solution:

mGvG=mBvB

therefore vB=mGvGmB=1×510×10−3=500m/s

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