Physics Circular Motion Level: Misc Level

A child is riding a merry- round which completes one revolution every 8.36 s. The child is standing 4.65 m from the center of the merry -go round. What is the tangential speed of the child?

a. 5.64 m/s

b. 3.49 m/s

c. 0.556 m/s

d. 1.80 m/s