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A small ball strikes a stationery unifor...

A small ball strikes a stationery uniform rod, which is free to rotate, in gravity-free space. The ball does not stick to the rod. The rod will rotate about

A

its centre of mass

B

the centre of mass of rod' plus ball

C

the point of impact of the ball on the rod

D

the point about which the moment of inertia of the rod plus ball is minimum

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The correct Answer is:
a
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