Advertisements
Advertisements
Question
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A moving cricket ball
Advertisements
Solution
Kinetic energy (K)
RELATED QUESTIONS
Explain how, geothermal energy is used to generate electricity.
Give one example of a body that has potential energy, in due to its state.
A boy of mass m climbs up a staircase of vertical height h.
(a) What is the work done by the boy against the force of gravity?
(b) What would have been the work done if he uses a lift in climbing the same vertical height?
State four ways for the judicious use of energy.
What is the main energy transformation that occur in:
Photosynthesis in green leaves.
State the energy transformation on the following:
Electricity is obtained from wind energy.
A moving body weighing 400 N possesses 500 J of kinetic energy. Calculate the velocity with which the body is moving. (g = 10 ms2)
A body of mass 50 kg has a momentum of 3000 kg−1 ms. Calculate:
(j) the kinetic energy of the body.
(ii) the velocity of the body.
Nuclear fission is
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A compressed spring
