5 An unruly demonstrator lifts a stone of mass 200 from the

Last updated: 6/7/2023

5 An unruly demonstrator lifts a stone of mass 200 from the ground and throws it at his opponent At the time of projection the stone is 150 cm above the ground and has a speed of 3 00 m s Calculate the work done by the demonstrator during the process If it takes one second for the demonstrator to lift the stone and throw what horsepower does he use