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प्रश्न
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A moving cricket ball
उत्तर
Kinetic energy (K)
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संबंधित प्रश्न
Geothermal energy is produced by the:
(a) fission of radioactive materials
(b) burning of coal inside the coal mines
(c) combustion of natural gas deep inside the earth
(d) fusion of radioactive substances
Write true or false of the following statement.
There is always some loss of energy in conversion from one form of energy to another form, so the total energy is not conserved.
Give one example to show that the sum of potential energy and kinetic energy remains constant if friction is ignored.
Differentiate between the potential energy (U) and the kinetic energy (K).
State two uses of solar cells.
Two bodies A and B of masses m and M (M ≫ m) have same kinetic energy. Which body will have more momentum?
What kind of energy is possessed in a situation when?
A horse running along a level road
Write the type of energy possessed in the following case:
A bent bow
State two advantages and disadvantages of using nuclear energy for producing electricity.
State the energy changes which take place when:
Burning of coal.
