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The energy possessed by a body due to its motion is called ______ energy.
Select the correct alternatives
The energy stored in an electric cell is
Give one example to show the conversion of potential energy to kinetic energy when put in use.
Name the form of energy which a body may possess even when it is not in motion. Give an example to support your answer.
What do you understand by the kinetic energy of a body?
State two advantages of producing electricity from solar energy.
State two advantages of using nuclear energy for producing electricity.
A metal ball of mass 2kg is allowed to fall freely from rest from a height of 5m above the ground.
What the kinetic energy of the ball just before it hits the ground ?
Unit of calorific value of a substance is ____________.
