For a particle moving along a circular path of radius with an angular acceleration

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Torque and Rotational Dynamics · Torque and Rotational Dynamics

Problem

For a particle moving along a circular path of radius

r

with an angular acceleration

\alpha

, which expression gives the magnitude of its tangential acceleration? (a)

a = v\omega

(b)

a = r\omega^{2}

(c)

a = r\alpha

(d)

a = \dfrac{v^{2}}{r}