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प्रश्न
A body is thrown vertically upwards. Its velocity keeps on decreasing. What happens to its kinetic energy as its velocity becomes zero?
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उत्तर
Kinetic energy changes into potential energy.
संबंधित प्रश्न
State the energy change in the following device while in use:
A loudspeaker
State two advantages of geothermal energy.
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
Fill in the blank
The energy possessed by a body due to its motion is called ______ energy.
Define the term kinetic energy. Give one example of a body which possesses kinetic energy.
Name the energy changes for the following
human body
Name the energy changes for each of the following cases:
dynamo
Two bodies A and B of masses m and M (M ≫ m) have same kinetic energy. Which body will have more momentum?
A body of mass 5 kg falls from a height of 10 m to 4 m. Calculate:
The total energy possessed by the body at any instant? (Take g = 10 ms-2).
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A moving bus
