A body of mass m moving with a certain speed suffers a perfectly inelastic collision with…
Physics · JEE Main · NTA Exams — Work, Energy and Power
A body of mass m moving with a certain speed suffers a perfectly inelastic collision with a body of mass M at rest. The ratio of final kinetic energy of the system to the initial kinetic energy is
- \(\frac{M+m}{m}\)
- \(\frac{m}{M+m}\)
- \(\frac{m}{M}\)
- \(\frac{M}{m}\)
Answer
(B) m M+m
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