A boy jumps from rest straight upward from a flat stationary

Last updated: 6/14/2023

A boy jumps from rest straight upward from a flat stationary concrete surface The boy of mass M leaves the concrete surface with speed u and his centre of mass rises a distance d to the highest point of the motion How much work did the normal force of contact N between the boy s feet and the concrete do the boy A Nd B Mv2 2 C No Nd 4