Answer to Question #89283 in Mechanics | Relativity for kayla

Question

A wheel is rotating at 30 revolutions per minute How many degrees has it rotated in 0.5 seconds?

Answer 1

$$1 \ rev=360 \degree$$

$$\theta =\omega t =\frac{30}{60} 0.5=0.25\ rev$$

$$\theta =0.25(360)=90\degree$$