A block of mass 10 kg is moving in x-direction with a constant speed of 10 m s^(-1). It is subjected to a retarding force F=-0.1.x J m^(-1) during its travel from x = 20 m to x = 30 m. Its final kinetic energy will be

A block of mass 10 kg is moving in x-direction with a constant speed o

1.	A block of mass 10 kg is moving in x-direction with a constant speed of 10 m s^(-1). It is subjected to a retarding force F=-0.1.x J m^(-1) during its travel from x = 20 m to x = 30 m. Its final kinetic energy will be
Answer» 25 J 50 J 75 J 100 J ANSWER :A