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प्रश्न
Select the correct alternatives
A ball rolling on the ground possesses
पर्याय
kinetic energy
potential energy
no energy
heat energy
उत्तर
kinetic energy
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संबंधित प्रश्न
Fill in the blank
The energy possessed by a body due to its position is called ________ energy.
Select the renewable and non-renewable sources of energy from the following:
Water
What is geo thermal energy? Explain in brief.
Explain the principle of generating electricity from hydro energy.
What do you understand by the potential energy of the body?
What kind of energy is possessed in a situation when?
A horse running along a level road
State the energy changes which take place when:
A body thrown vertically upwards from the ground.
Give one example when:
Sound energy changes to electric energy.
What is nuclear energy? Explain the principle of producing electricity using nuclear energy is a nuclear reactor.
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)
