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प्रश्न
What do you understand by the kinetic energy of the body?
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उत्तर
The kinetic energy of a body is the energy possessed by the body by virtue of its state of motion.
संबंधित प्रश्न
Select the correct alternatives
A ball rolling on the ground possesses
Name the type of energy (kinetic or potential) possessed by the following:
Water flowing in a river.
Give one relevant example for the following transformation of energy:
Electrical energy to heat energy.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given case:
A stretched wire
A light mass and a heavy mass have equal momentum. Which will have more kinetic energy?
(Hint : Kinetic energy K = P2/2m where P is the momentum.)
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.
What do you understand by the potential energy of the body?
What kind of energy is possessed in a situation when?
A horse running along a level road
What kind of energy is possessed in a situation when?
Water stored in dams.
State the energy changes which take place when:
An air gun is loaded and then fired.
