Weight of a body of mass m decreases by 1% when it is raised to height h above the earth’s surface. If the body is taken to a depth h in a mine, change in its weight is:

Weight of a body of mass m decreases by 1% when it is raised to height

1.	Weight of a body of mass m decreases by 1% when it is raised to height h above the earth’s surface. If the body is taken to a depth h in a mine, change in its weight is:
Answer» Solution :The KINETIC ENERGY of the hammer is converted into heat energy, which is TURNS raises the TEMPERATURE,