A grinding wheel attained a velocity of $20\,rad/sec$ in $5\,sec$ starting from rest. Find the number of revolution made by the wheel
A grinding wheel attained a velocity of $20\,rad/sec$ in $5\,sec$ starting from rest. Find the number of revolution made by the wheel
- A
$\frac {\pi }{25}$ revolution
- B
$\frac {1}{\pi }$ revolution
- C
$\frac {25}{\pi }$ revolution
- D
None of these
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- [IIT 1987]