Test Academy | A bullet of mass m moving with velocity v strikes a block of mass M at rest and gets embeded into it. The kinetic energy of the composite block will be (mv²/2)x(m/m+M), (mv²/2)x(M/m+M), (mv²/2)x(m+M/M), (Mv²/2)x(m/m+M)

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A bullet of mass m moving with velocity v strikes a block of mass M at rest and gets embeded into it. The kinetic energy of the composite block will be

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(mv²/2)x(m/m+M)
(mv²/2)x(M/m+M)
(mv²/2)x(m+M/M)
(Mv²/2)x(m/m+M)

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