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प्रश्न
State the energy changes which take place when:
An air gun is loaded and then fired.
उत्तर
During loading, the mechanical energy changes to the potential energy of spring. On firing, the potential energy of spring changes to the kinetic energy of the bullet.
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संबंधित प्रश्न
Select the renewable and non-renewable sources of energy from the following:
Wind
How is wind energy used to produce electricity?
Name the energy changes for each of the following cases:
dynamo
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?
What is dissipation of energy?
State the energy changes which take place when:
A body thrown vertically upwards from the ground.
State the energy transformation on the following:
Electricity is obtained from wind energy.
Give one example when:
Heat energy changes to kinetic energy.
