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प्रश्न
State the energy changes which take place when:
A stone projected vertically upwards, returns back to the thrower.
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उत्तर
The kinetic energy changes to potential energy when stone rises up. The potential energy then changes back to kinetic energy, when stone comes down.
संबंधित प्रश्न
Write true or false of the following statement.
The energy of flowing water can be converted into electric energy (electricity).
Name the type of energy (kinetic or potential) possessed by the following:
A bullet fired from a gun.
Name the physical quantity measured in terms of horse power.
Select the renewable and non-renewable sources of energy from the following:
Wind
What is hydro energy?
Name the energy changes for the following:
pendulum
State the energy changes which take place when:
Food is digested by animals.
State the energy changes which take place when:
A battery lighting up a bulb.
Give one example when:
Kinetic energy changes to heat energy.
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A moving bus
