A body of mass m moving with a velocity u collides elastically directly with another…
Physics · NEET · NTA Exams — Work, Energy and Power
A body of mass m moving with a velocity u collides elastically directly with another stationary body of mass 3m. The velocity of the second body after the collision will be:
- \(\frac{4}{2}\)
- \(\frac{4}{3}\)
- \(\frac{4}{4}\)
- u
Answer
(A) 4 2
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