Kinematics Question 784

Question: A particle is moving in a circle with uniform speed v.In moving from a point to another diametrically opposite point[Or it’ssa JEE 2003]

Options:

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

Show Answer

Answer:

Correct Answer: B

Solution:

Momentum changes by 2mv but kinetic energy remains same.



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