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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
State two factors on which the kinetic energy of a moving body depends.
State two advantages of using wind energy for generating electricity.
What is hydro energy?
A body of mass 5 kg falls from a height of 10 m to 4 m. Calculate:
The total energy possessed by the body at any instant? (Take g = 10 ms-2).
What kind of energy is possessed in a situation when?
A stone, in a stretched catapult.
Give three examples of bodies possessing potential energy.
State the energy changes which take place when:
A body released from rest from the top of a building.
Give one example when:
Sound energy changes to electric energy.
Give one example when:
Electrical energy to heat energy.
What is the difference between the solid, liquid, and gaseous states of a substance?
