MCQ
The centripetal acceleration is given by
- ✓$v^2/r$
- B$vr$
- C$vr^2$
- D$v/r$
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$(A)$ the point $O$ has linear velocity $3 R \omega \hat{ i }$.
$(B)$ the point $P$ has a linear velocity $\frac{11}{4} R \omega \hat{ i }+\frac{\sqrt{3}}{4} R \omega \hat{ k }$
$(C)$ the point $P$ has linear velocity $\frac{13}{4} R w \hat{ i }-\frac{\sqrt{3}}{4} R \omega \hat{k}$
$(D)$ The point $P$ has a linear velocity $\left(3-\frac{\sqrt{3}}{4}\right) R w_{\hat{ i }}+\frac{1}{4} R w_{\hat{k}}$.

