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NAVNEET PUBLICATION-WORK AND ENERGY-EXERCISE
- Answer the following questions: What happens to the chemical energy s...
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- Answer the following questions: A batsman hits a six. What is the nat...
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- Answer the following questions: Define power.
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- Answer the following questions: State the SI and CGS units of power a...
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- Answer the following questions: Define the watt.
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- Answer the following questions: State the units of power used in indu...
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- Answer the following questions: What is the kilowatt.hour? How is it ...
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- Answer the following questions: List the electrical gadgets you use a...
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- Answer the following questions: In an assembly hall microphones and l...
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- Answer the following questions: What is the power of an engine, which...
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- Use your Brain Power! If the mass of a moving body is doubled, how ma...
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- Use your Brain Power! Can your father climb stairs as fast as you can...
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- Use your Brain Power! Will you fill the overhead water tank with the ...
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- Use your Brain Power! Suppose Rajashree, Yash and ranjeet have to rea...
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- Give scientific reasons: It is easy to swim in a swimming pool than i...
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- Give scientific reasons: When a body performs uniform circular motion...
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- Give scientific reasons: The wound spring of a watch possesses potent...
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- Give scientific reasons: A fast bowler takes a longer start while bow...
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- Give scientific reasons: When a bullet fired from a gun strikes the t...
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- Give scientific reasons: A bicycle moving fast on a levelled road mov...
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