Question
If OP makes 4 revolutions in on second the angular velocity in radians per seconds is:
- $\pi$
- $2\pi$
- $4\pi$
- $8\pi$
Solution:
$\text{Angular velocity}=\frac{\text{Distance}}{\text{Time}}$
$=\frac{4\times2\pi}{1}$
$=8\pi\ \text{radians}$
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