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A body of mass m hits a wall with speed ...

A body of mass m hits a wall with speed v at an angle of `30degree` with normal and reflects at same angle from normal on other side of normal. The magnitude of change in linear momentum of the body is (Consider elastic collision)

A

`frac{8sqrt3mv}{2}`

B

mv

C

`sqrt3mv`

D

Zero

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The correct Answer is:
c
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