A) \[\frac{2s}{\pi r}\]
B) \[\frac{s}{2\pi r}\]
C) \[\frac{s}{\pi r}\]
D) None of these
Correct Answer: B
Solution :
| The distance covered in one revolution is \[2\pi r\][its circumference] |
| \[\because\] Number of revolution |
| \[=\frac{Total\text{ }distance\text{ }travelled}{Circumference}\] |
| \[=\frac{s}{2\pi r}\] |
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