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प्रश्न
Name the type of energy (kinetic or potential) possessed by the following:
A compressed spring.
उत्तर
Potential energy.
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संबंधित प्रश्न
Fill in the blank
Energy possessed by a compressed spring is ______ energy.
A light mass and a heavy mass have equal momentum. Which will have more kinetic energy?
(Hint : Kinetic energy K = P2/2m where P is the momentum.)
Name the form of mechanical energy, which is put to use.
State whether a solar cell produces a.c. or d.c.
How is wind energy used to produce electricity?
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).
Give one example when:
Kinetic energy changes to heat energy.
Give one example when:
Chemical energy changes to light energy.
A ball of mass 200 g falls from a height of 5 m. What will be its kinetic energy when it just reaches the ground? (g = 9.8 m s−2)
Unit of calorific value of a substance is ____________.
