A Ball of Mass M₁,connected to Another Mass M₂ by a String,is

Multiple Choice

A ball of mass m₁,connected to another mass m₂ by a string,is whirled at a constant speed in a horizontal circle of radius R equal to 0.800m.If the mass m₂ = 5.00 kg,the kinetic energy of the ball is

A) 0.981 J
B) 2.45 J
C) 4.90 J
D) 19.6 J
E) 39.2 J