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Question: Answered & Verified by Expert
A particle of mass $M$ is moving in a horizontal circle of radius $R$ with wiform speed $v$. When the particle moves from one point to a diametrically opposite point, its
PhysicsCenter of Mass Momentum and CollisionTS EAMCETTS EAMCET 2017
Options:
  • A momentum does not change
  • B momentum changes by $2 M N$
  • C kinetic energy changes by $\frac{\mathrm{MV}^2}{4}$
  • D kinetic energy changes by $M V^2$
Solution:
2414 Upvotes Verified Answer
The correct answer is: momentum changes by $2 M N$
Given, Velocity of particle $=v$
Change in momentum = final momentum - initial momentum $=M v-(-M v)=2 M v$

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