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प्रश्न
State the energy changes which take place when:
A car moves up a hill.
उत्तर
The kinetic energy of moving car changes to potential energy.
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संबंधित प्रश्न
Which of the following produces more heat (per unit mass) on burning?
State two disadvantages of geothermal energy.
Give one example to show that the sum of potential energy and kinetic energy remains constant if friction is ignored.
Select the renewable and non-renewable sources of energy from the following:
Oil
How is the solar energy used to generate electricity in a solar power plant?
What is wind energy?
What is the main energy transformation that occur in:
Photosynthesis in green leaves.
Name the two groups in which various sources of energy are classified?
State the energy changes which take place when:
A stone projected vertically upwards, returns back to the thrower.
