Work Energy And Power Question 162
Question: A particle of mass m moving with velocity v strikes a stationary particle of mass 2m and sticks to it. The speed of the system will be [MP PMT/PET 1998; AIIMS 1999; JIPMER 2001, 02]
Options:
A) $ v/2 $
B) 2v
C) $ v/3 $
D) 3v
Show Answer
Answer:
Correct Answer: C
Solution:
Initial momentum = $ mv $ Final momentum = $ 3mV $
By the law of conservation of momentum $ mv=3mV $ $ V=v/3 $
