Advertisements
Advertisements
प्रश्न
State the energy changes which take place when:
A car moves up a hill.
Advertisements
उत्तर
The kinetic energy of moving car changes to potential energy.
संबंधित प्रश्न
Calculate the change in the Kinetic energy of a moving body if its velocity is reduced to 1/3rd of the initial velocity.
Fill in the blank
An object falling freely from the roof of a multistorey building has ________ and _________ energy when halfway down the building.
Why using wood as fuel is not advisable although wood is a renewable source of energy?
Name three non-renewable sources of energy.
State two advantages of using wind energy for generating electricity.
Explain the principle of producing electricity using the nuclear energy.
A pebble is thrown up. It goes to a height and then comes back on the ground. State the different changes in form of energy during its motion.
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 ?
Write the type of energy possessed in the following case:
A moving cricket ball.
How much hydro-electric power is generated in India?
