$A$ particle of mass $M$ is moving in a horizontal circle of radius $R$ with uniform speed $v$. When the particle moves from one point to a diametrically opposite point,its
- Amomentum does not change
- Bmomentum changes by $2 M v$
- Ckinetic energy changes by $\frac{M v^2}{4}$
- Dkinetic energy changes by $M v^2$
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