A 10-Kg Box Is Pushed Up a Plane Inclined at 37º

Multiple Choice

A 10-kg box is pushed up a plane inclined at 37º with the horizontal.The box starts from rest and is pushed 5 m along the incline with a uniform acceleration of 2 m/s².The coefficient of kinetic friction is 0.20 and the pushing force is parallel to the plane.The increase in the potential energy of the box is

A) 0.10 kJ
B) 0.29 kJ
C) 0.36 kJ
D) 0.46 kJ
E) 0.39 kJ