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A particle is moving in a circle with un...

A particle is moving in a circle with uniform speed v . In moving from a point to another diametrically opposite point

A

the momentum change by mv

B

the momentum changes by 2 mv

C

the kinetic energy changes by `((1)/(2))mv^(2)`

D

the kinetic energy changes by `mv^(2)`

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The correct Answer is:
B
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