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प्रश्न
A ball is made to fall freely from a height. State the kind/ kinds of energy possessed by the ball when it is just in the middle .
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उत्तर
Potential energy + Kinetic energy.
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संबंधित प्रश्न
(i) The conversion of part of the energy into an undesirable form is called ______________.
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(Hint : Kinetic energy K = P2/2m where P is the momentum.)
Select the renewable and non-renewable sources of energy from the following:
Wind
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State two disadvantages of using wind energy for generating electricity.
Name two examples in which the mechanical energy of a system remains constant.
Write the type of energy possessed in the following case:
A moving cricket ball.
State two advantages and disadvantages of using wind energy for producing electricity.
State two advantages and disadvantages of using nuclear energy for producing electricity.
