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प्रश्न
Name the type of energy (kinetic or potential) possessed by the following:
A moving bus.
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उत्तर
Kinetic energy.
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संबंधित प्रश्न
Give one relevant example for the following transformation of energy:
Electrical energy to mechanical energy.
Select the renewable and non-renewable sources of energy from the following:
Oil
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).
A ball of mass 0.5 kg slows down from a speed of 5m/s-1 to that of 3m/s-1. Calculate the change in kinetic energy of the ball.
Write five forms of energy.
What kind of energy is possessed in a situation when?
An electron spinning around the nucleus.
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?
State the energy changes which take place when:
During electrolysis.
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)
Obtain an expression for the kinetic energy of a body of mass m moving with a velocity v?
