A Child Is Riding a Merry-Go-Round, Which Has an Instantaneous

Short Answer

A child is riding a merry-go-round, which has an instantaneous angular speed of 1.25 rad/s and an angular acceleration of 0.745 rad/s². The child is standing 4.65 m from the center of the merry-go-round. (a) What is the magnitude of the acceleration of the child?
(b) What angle does the acceleration of the child make with the tangential direction?