Advertisements
Advertisements
प्रश्न
State the energy changes which take place when:
A stone projected vertically upwards, returns back to the thrower.
उत्तर
The kinetic energy changes to potential energy when stone rises up. The potential energy then changes back to kinetic energy, when stone comes down.
APPEARS IN
संबंधित प्रश्न
What is nuclear energy?
Can a body possess energy even when it is not in motion ? Explain your answer with an example.
Name the type of energy (kinetic or potential) possessed by the following:
A moving cricket ball.
A ball is made to fall freely from a height. State the kind/ kinds of energy possessed by the ball when it is at the highest point .
Name the type of energy (kinetic energy K or potential energy U) possessed in the given case:
An arrow shot out of a bow.
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A piece of stone placed on the roof.
How is the solar energy used to generate electricity in a solar power plant?
What is the form of that graph between
(i) K.E. and velocity for a constant mass?
(ii) K.E. and mass for a constant velocity?
Use your brain power!
How do we save fuel by using public transport?
What is the difference between the solid, liquid, and gaseous states of a substance?