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प्रश्न
What kind of energy is possessed in a situation when?
A fish moving in the water.
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उत्तर
Kinetic Energy.
संबंधित प्रश्न
State the energy change in the following device while in use:
A loudspeaker
Give one relevant example for the following transformations of energy:
Chemical energy to heat energy.
Give one relevant example for the following transformation of energy :
Chemical energy to light energy.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given case:
An arrow shot out of a bow.
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.
Give one example when:
Electric energy changes to potential energy.
What is nuclear energy? Explain the principle of producing electricity using nuclear energy is a nuclear reactor.
A ball of mass 200 g falls from a height of 5 m. What will be its kinetic energy when it just reaches the ground? (g = 9.8 m s−2)
Two bodies, A and B of equal mass are kept at heights 20 m and 30 m respectively. Calculate the ratio of their potential energies.
The major problem in harnessing nuclear energy is how to
