Advertisements
Advertisements
Question
Name the type of energy (kinetic or potential) possessed by the following:
A stone at rest on the top of a building.
Solution
Potential energy.
APPEARS IN
RELATED QUESTIONS
Give one example to show that the sum of potential energy and kinetic energy remains constant if friction is ignored.
A ball is made to fall freely from a height. State the kind/ kinds of energy possessed by the ball when it is at the highest point .
Select the renewable and non-renewable sources of energy from the following:
Wood
Give one disadvantage of using a solar cell.
State two disadvantages of producing electricity from solar energy.
What is nuclear energy?
Write the type of energy possessed in the following case:
A wound-up spring
Give one example when:
Electrical energy to heat energy.
What is nuclear energy? Explain the principle of producing electricity using nuclear energy is a nuclear reactor.
Calculate the change in the Kinetic energy of a moving body if its velocity is reduced to 1/3rd of the initial velocity.
