Centripetal Force of a Ball Revolving Uniformly in a Horizontal Circle

Date of Exam

Problem
A 150 g ball at the end of a string is revolving uniformly in a horizontal circle of radius 0.600 m. The ball makes 2 revolutions in a second. What is the centripetal acceleration?

A.   74.95 m/sec2 C.   49.57 m/sec2
B.   94.75 m/sec2 D.   59.47 m/sec2

 

Answer Key

 

Solution