Advertisements
Advertisements
प्रश्न
What kind of energy is possessed in a situation when?
A stone lying on the top of roof.
उत्तर
Potential Energy.
APPEARS IN
संबंधित प्रश्न
What name is given to the heat energy obtained from hot rocks inside the earth?
A body of mass m falls down through a height h. Obtain an expression for the work done by the force of gravity.
What do you understand by the kinetic energy of a body?
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.)
Select the renewable and non-renewable sources of energy from the following:
Water
Give two examples each of renewable and non-renewable sources of energy?
State the energy changes which take place when:
A toy car spring is wound and car is made to run on level floor.
Give one example when:
Electric energy changes to sound energy.
For the same kinetic energy of a body, what should be the change in its velocity if its mass is increased nine times?
When and why do clothes smell of naphthalene?