Question

If a fly wheel makes 120 revolutions per minute then its angular speed will be

Answer 1

Given that,

$n=120rpm$

$n=\frac{120}{60}$

$n=2$

Now, we know that

$\omega =2\pi n$

$\omega =2\pi \times 2$

$\omega =4\pi rad/s$

Hence, the angular velocity is $4\pi rad/s$