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प्रश्न
Give one example when:
Mechanical energy to heat energy.
एका वाक्यात उत्तर
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उत्तर
Rubbing of palms.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
संबंधित प्रश्न
What name is given to the heat energy obtained from hot rocks inside the earth?
State two disadvantages of geothermal energy.
Name the physical quantity measured in terms of horse power.
MULTIPLE CHOICE TYPE:
The ultimate source of energy is:
(a) wood
(b) wind
(c) water
(d) sun
What kind of energy transformation takes place at a thermal power station?
Our hands become warm when we rub them against each other. Why?
Calculate the decrease in the kinetic energy of a moving body if its velocity reduces to half of the initial velocity.
Obtain an expression for the potential energy of a body of mass m at a height h above the ground.
A body of mass 50 kg has a momentum of 3000 kg−1 ms. Calculate:
(j) the kinetic energy of the body.
(ii) the velocity of the body.
Geothermal energy is:
