calculate the potential energy stored in a meta ball of mass of 80 kg kept at a height of 15m from the earth surface . What will be the potential energy when the metal ball is kept on the earth surface Take (g- 9.8 m/s] ​

calculate the potential energy stored in a meta ball of mass of 80 kg kept at a height of 15m from the earth surface What will be the potential energy when the class=