A) 22 cm/ sec
B) 44 cm/sec
C) 48 cm/sec
D) 52 cm/sec
Correct Answer: B
Solution :
\[\omega =2\pi n=2\pi \times \frac{30}{60}=\pi \,\,rad/\sec \] \[v=r\omega =14\times \pi \] \[=14\times \frac{22}{7}=\mathbf{44}\,\,\mathbf{cm/sec}\]You need to login to perform this action.
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