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प्रश्न
What is wind energy?
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उत्तर १
The kinetic energy of the moving large masses of air is called the wind energy.
उत्तर २
The blowing wind has kinetic energy is called wind energy.
संबंधित प्रश्न
Give one relevant example for the following transformation of energy :
Electrical energy to light energy.
State the changes in form of energy while producing hydro electricity.
Write an expression for the potential energy of a body of mass m placed at a height h above the earth's surface. State the assumptions made, if any.
Why using wood as fuel is not advisable although wood is a renewable source of energy?
What is geo thermal energy? Explain in brief.
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).
State the energy transformation on the following:
Electricity is obtained from wind energy.
A body of mass 50 kg has a momentum of 3000 kg−1 ms. Calculate:
(j) the kinetic energy of the body.
(ii) the velocity of the body.
In which states is water found in nature?
