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 $
