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In a free space, a rifle of mass M shoots a bullet of mass m at a stationary block of mass M at a distance D away from it. When the bullet has moved through a distance d towards the block, the centre of mass of the bullet-block system is at a distance of
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Correct option is D
Distance between bullet and block at this instant is (D-d).Distance of CM from bullet =M(D-d)+m×0M+m=MM+m(D-d)Similarly, distance of CM from block = mM+m (D-d)Hence, option (4) is correct.Talk to our academic expert!
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