A) \[{{V}_{cm}}>R\omega \]
B) \[{{V}_{cm}}<R\omega \]
C) \[{{V}_{cm}}\ge R\omega \]
D) \[{{V}_{cm}}\le R\omega \]
Correct Answer: A
Solution :
\[{{v}_{cm}}T>2\pi R\] \[{{V}_{cm}}>\frac{2\pi R}{T}\] \[{{V}_{cm}}>R\omega \]
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