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प्रश्न
Fill in the blank
An object falling freely from the roof of a multistorey building has ________ and _________ energy when halfway down the building.
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उत्तर
An object falling freely from the roof of a multistorey building has potential energy and kinetic energy when halfway down the building.
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संबंधित प्रश्न
Select the correct alternatives
A ball rolling on the ground possesses
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Give one disadvantage of using a solar cell.
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How is kinetic energy possessed by a moving body measured?
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)
