Question

hat is the amount of workdone by the force of gravity when a stone of mass 250g is thrown through a height of 2.5 m?

Answer 1

Work done = potential energy
mass= 250g= 0.25kg
Height= 2.5m
gravity= 10m/s^2
Potential energy= mgh
=0.25×2.5×10
= 06.25J