A) change in momentum is \[m\upsilon r\]
B) change in kinetic energy is\[\frac{1}{2}m\upsilon r\]
C) change in kinetic energy is \[m{{\upsilon }^{2}}\]
D) change in kinetic energy is zero
Correct Answer: D
Solution :
Speed of particle is constant, so its kinetic energy will also be constant. Therefore change in kinetic energy will be zero.
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