A 40 Kg Mass Is Moving in a Circular Path of of Radius

Multiple Choice

A 4.0 kg mass is moving in a circular path of radius 2.5 m with a constant tangential velocity of 5.0 m/sec.The centripetal force on the mass is

A) 20 N.
B) 25 N.
C) 35 N.
D) 40 N.
E) 45 N.