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R G PUBLICATION-WORK AND ENERGY-EXAMPLE
- What is power?
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- Write the relation between power P, work done W and time t.
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- What is the unit of power?
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- Define 1 watt.
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- Write relation between watt. Joule and second.
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- What is the commercial unit of energy?
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- What is 1kwh?
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- What is meant by 1 unit of electricity?
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- Write the law of conservation energy.
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- What are the two forms of mechanical energy?
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- Mention names of different forms of energy?
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- What do you mean by transformation of energy?
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- If force is applied on the body in the direction of motion then ?
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- How potential energy is stored in a powerful stretched spring?
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- Which energy is stored in wrist watch?
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- A body of mass ‘m’ is moving with velocity ‘v' .If the mass of the bod...
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- A body of mass ‘m’ is moving with velocity ‘v’: If the velocity is dou...
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- Can an object have kinetic energy even if its momentum is zero? Explai...
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- If a body of mass m is moving with velocity v then prove that kinetic ...
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- Prove that potential energy = mgh.
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