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संबंधित प्रश्न
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?
Name the type of energy (kinetic energy K or potential energy U) possessed in the given case:
An arrow shot out of a bow.
Name three non-renewable sources of energy.
Give one disadvantage of using a solar cell.
How much hydroelectric power is generated in India?
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).
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.
State the energy changes which take place when:
Water stored in dams rotates turbine connected to a dynamo.
A body of mass m is taken from a height h to 2h. What is the increase in its potential energy?
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A compressed spring
