Question

a particle moves in a circular path of radius 0.2m with angular speed of 16rad/s. what is the centripetal acceleration of the particle? A.51.2m/s2 B.44m/s2 C.42m/s2 D.65m/s2

Answer 1

Centripetal acceleration a = ω^2 r = (16^2)(0.2) = 256 × 0.2 = 51.2 m/s^2.
Answer: A. 51.2 m/s^2.