Work Energy And Power Question 120

Question: A ball of mass m moving with velocity V, makes a head on elastic collision with a ball of the same mass moving with velocity 2V towards it. Taking direction of V as positive velocities of the two balls after collision are [MP PMT 2002]

Options:

A) V and 2V

B) 2V and V

C) V and 2V

D) 2V and V

Show Answer

Answer:

Correct Answer: D

Solution:

Due to elastic collision of bodies having equal mass, their velocities get interchanged.



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