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प्रश्न
What kind of energy is possessed in a situation when?
A shooting arrow.
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उत्तर
Kinetic Energy.
संबंधित प्रश्न
What is nuclear energy?
Select the renewable and non-renewable sources of energy from the following:
Wind
Name the energy changes for the following:
electric ball
State the energy changes which take place when:
Photographic film is exposed to sunlight.
State the energy transformation on the following:
Electricity is obtained from wind energy.
Give one example when:
Kinetic energy to potential energy.
What is nuclear energy? Explain the principle of producing electricity using nuclear energy is a nuclear reactor.
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 ball of mass 50 g falls from a height of 2m and rebounds from the ground to 1.6 m. Find:
(i) The potential energy possessed by the ball when initially at rest.
(ii) The kinetic energy of the ball before it hits the ground.
(iii) The final potential energy of the ball.
(iv) The loss in kinetic energy of the ball on collision. (Take: g = 10N kg−1)
