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  4. A bullet of mass M hits a block of mass M' . The transfer of energy is maximum, when

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Q. A bullet of mass $M$ hits a block of mass $M^{'}$ . The transfer of energy is maximum, when

NTA AbhyasNTA Abhyas 2022

Solution:

If $M=M'$ then bullet will transfer the whole of its velocity (and consequently $100\%$ of its KE) to block and will itself come to rest as per the theory of collision.