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A body of mass 1 kg is rotating in a ver...

A body of mass 1 kg is rotating in a verticle circle of radius 1 m .What will be the difference in its kinetic energy at the top and bottom of the circle ?
`(g=10m//s^(2))`

A

10 J

B

20 J

C

30 J

D

50 J

Text Solution

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The correct Answer is:
B
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