A particle is moving in a circle with uniform speed v. In moving fro – McqOptions

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1.	A particle is moving in a circle with uniform speed v. In moving from a point to another diametrically opposite point [Orissa JEE 2003]
A.	The momentum changes by mv
B.	The momentum changes by 2mv
C.	The kinetic energy changes by (1/2)mv2
D.	The kinetic energy changes by mv2
Answer» C. The kinetic energy changes by (1/2)mv2

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