MCQ
Identify the wrong statement:
- AA body can have momentum without energy.
- BA body can have energy without momentum.
- CThe momentum is conserved in an elastic collision.
- DKinetic energy is not conserved in an inelastic collision.
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$(A)$ $v=\sqrt{\frac{k}{2 m}} R$
$(B)$ $v=\sqrt{\frac{k}{m}} R$
$(C)$ $\mathrm{L}=\sqrt{\mathrm{mk}} \mathrm{R}^2$
$(D)$ $\mathrm{L}=\sqrt{\frac{\mathrm{mk}}{2}} \mathrm{R}^2$

