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प्रश्न
Name the form of mechanical energy, which is put to use.
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उत्तर
Kinetic energy.
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संबंधित प्रश्न
Give one relevant example for the following transformations of energy:
Chemical energy to heat energy.
State the energy changes in the following case while in use:
an electric toaster.
State two uses of solar cells.
Identify the type of energy possessed by the body in each of the following:
(a) A coiled spring of the toy car
(b) A hammer which is raised
(c) A stone shot from a catapult
(d) Water stored in the overhead tank
(e) A tadpole moving in water.
Give one example when:
Electrical energy to heat energy.
Calculate the change in the Kinetic energy of a moving body if its velocity is reduced to 1/3rd of the initial velocity.
A body of mass m falls from a height h1 to a height h2, above the ground (h1 > h2). What is the loss of potential energy?
In a hydroelectric power station, 1000 kg of water is allowed to drop through a height of 100 m in 1 sec. If the conversion of potential energy to electric energy is 60%. Calculate the power output. [Take: g = 10m/sec2]
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