A man of mass 65 kg is holding a bucket of mass 15 kg. He walks 50 m on a level road at a constant speed of 3 m/s and then climbs up a hill of height 20 m. What is the work done by the man? Take` g = 10 m/s^2`.

Options

A. 2.05kJ
B. 3.5kJ
C. 12kJ
D. 16kJ

Answer

D