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प्रश्न
State the energy changes which take place when:
An air gun is loaded and then fired.
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उत्तर
During loading, the mechanical energy changes to the potential energy of spring. On firing, the potential energy of spring changes to the kinetic energy of the bullet.
संबंधित प्रश्न
State the energy change in the following device while in use:
A glowing electric bulb.
Explain how, geothermal energy is used to generate electricity.
Name the form of energy which a body may possess even when it is not in motion. Give an example to support your answer.
How is the solar energy used to generate electricity in a solar power plant?
Name the energy changes for the following
human body
Show that the quantity 2K/v2 has the unit of mass, where K is the kinetic energy of the body.
What do you understand by the kinetic energy of the body?
State the energy changes which take place when:
A toy car spring is wound and car is made to run on level floor.
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A moving cricket ball
