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A person of mass M=90 kg standing on a s...

A person of mass M=90 kg standing on a smooth horizontal plane of ice throws a body of mass m=10 kg horizontally onte same surface. If the distance between the person and body after 10 seconds is 10 metres, the K.E of the person (in Joules) is

A

`0.45`

B

`4.5`

C

`0.90`

D

zero

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The correct Answer is:
A
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