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प्रश्न
Give one example when:
Kinetic energy to potential energy.
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उत्तर
Throwing up a pebble from the ground.
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
A bucket full of water .is on the first floor of your house and another identical bucket with same quantity of water is kept on the second floor. Which of the two has greater potential energy ?
Two toy-cars A and B of masses 500 g and 200 g respectively are moving with the same speed. Which of the two has the greater kinetic energy?
State four ways for the judicious use of energy.
A ball of mass 0.5 kg slows down from a speed of 5m/s-1 to that of 3m/s-1. Calculate the change in kinetic energy of the ball.
Is it possible that a body may possess energy even when it is not in motion?
What is the main energy transformation that occur in:
Charging of a battery.
Give one example when:
Electric energy changes to mechanical energy.
What ts the original source of energy for the electricity produced at a thermal power station?
What is the difference between the solid, liquid, and gaseous states of a substance?
