Question

2. the centripetal force acting on a body of mas 500g is 10x10 power of -2 Newton.if the radius of the path is 10m,calculate the velocity with which the body moves 

Answer 1

centripetal force = mass * speed ² / radius
 10 * 10^-2 = 500 * v² / 10

v = 0.045 m /sec