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A shell in flight explodes into n equal fragments, k of the fragments reach the ground earlier than the other fragments. The acceleration of their centre of mass subsequently will be
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Correct option is D
If 'k' fragments reaches ground So, their acceleration =0Similar Questions
The velocity of the CM of a system changes from to during time = 2s. If the mass of the system is m: l0 kg, the constant force acting on the system is:
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