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प्रश्न
A boy sits and stands repeatedly. Draw a graph showing the variation of potential energy with time.
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उत्तर
संबंधित प्रश्न
Name the type of energy (kinetic or potential) possessed by the following:
A moving cricket ball.
Name the form of energy which a body may possess even when it is not in motion. Give an example to support your answer.
A light mass and a heavy mass have equal momentum. Which will have more kinetic energy?
(Hint : Kinetic energy K = P2/2m where P is the momentum.)
What is ocean? Explain in brief.
Renewable source of energy is:
Identify the type of energy possessed by the body in the following:
A coiled spring of the toy car.
What happens to the K.E. when
(i) the mass of the body is doubled at a constant velocity and
(ii) the velocity of the body is doubled at constant mass?
A girl of mass 35 kg climbs up from the first floor of a building at a height 4 m above the ground to the third floor at a height 12 m above the ground. What will be the increase in her gravitational potential energy? [g = 10 ms-2]
Use your brain power!
Why do tablets of camphor decrease in size day by day?
