Work Energy And Power Question 93

Question: A shell of mass m moving with velocity v suddenly breaks into 2 pieces. The part having mass m/4 remains stationary. The velocity of the other shell will be [CPMT 1999]

Options:

A) v

B) 2v

C) $ \frac{3}{4}v $

D) $ \frac{4}{3}v $

Show Answer

Answer:

Correct Answer: D

Solution:

According to conservation of momentum $ mv=( \frac{m}{4} )\ v_1+( \frac{3m}{4} )\ v_2 $ therefore $ v_2=\frac{4}{3}v $



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