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प्रश्न
State the energy changes which take place when:
A body released from rest from the top of a building.
एक पंक्ति में उत्तर
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उत्तर
The potential energy changes to kinetic energy.
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
State the energy change in the following device while in use:
A loudspeaker
What name is given to the heat energy obtained from hot rocks inside the earth?
State two factors on which the kinetic energy of a moving body depends.
MULTIPLE CHOICE TYPE:
The ultimate source of energy is:
(a) wood
(b) wind
(c) water
(d) sun
A log of wood cut by a saw becomes hot. From where does this heat energy come?
Write five forms of energy.
State the energy changes which take place when:
In a heat engine.
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)
When and why do clothes smell of naphthalene?
What is meant by energy?
