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प्रश्न
Give one example when:
Kinetic energy to potential energy.
उत्तर
Throwing up a pebble from the ground.
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संबंधित प्रश्न
Give one example of a body that has potential energy, in due to its state.
State two factors on which the kinetic energy of a moving body depends.
Can a body possess energy even when it is not in motion ? Explain your answer with an example.
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 .
Explain the principle of working of the windmill for generating electricity.
State the energy changes which take place when:
Water stored in dams rotates turbine connected to a dynamo.
What is the form of that graph between
(i) K.E. and velocity for a constant mass?
(ii) K.E. and mass for a constant velocity?
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)
Use your brain power!
How do we save fuel by using public transport?
In which states is water found in nature?
