Which of the following equations correctly relates the magnitude of the linear speed…

PHYSICS · Single correct · A Level · Physics · Engineering physics · Engineering physics

Problem

Which of the following equations correctly relates the magnitude of the linear speed

v

of a point located a distance

r

from the axis of rotation to the object’s angular speed

\omega

? (a)

v = 2\pi r\omega

(b)

v = \dfrac{1}{2}\,r\omega

(c)

v = r\omega

(d)

v = \dfrac{r\omega}{2\pi}