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MBD-WORK, ENERGY AND POWER-Example
- A rocket of 3 xx10^6 kg mass takes off from a launching pad and acquir...
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- An electric heater of 1000W is used for 2 hours a day. What is the cos...
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- The power of a motor pump is 5 kW. How much water per minute the pump ...
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- Calculate the electricity bill amount for the month of November of a f...
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- A person carrying 10 bricks each of mass 2.5 kg. on his head moves to ...
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- A car of 1000 kg moving with a velocity of 30 m//s stops with uniform ...
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- A car is moving with a speed of 54 km//h. What will be the kinetic ene...
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- 1 Joule of energy is used for one heart beat. Calculate the power of t...
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- State the relation between commercial unit of energy and joules.
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- How much work is done on a body of mass 1 kg whirling on a circular pa...
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- What is the SI unit of power ?
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- A ball is thrown vertically upwards. Its velocity keeps on decreasing....
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- If the heart works 60 joules in one minute, what is its power ?
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- Name the term used for the sum of kinetic energy and potential energy ...
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- How many joules are present in 1 kilowatt hour?
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- What should be the change in velocity of a body required to increase i...
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- Under what conditions the work done by a force is zero in spite of dis...
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- What is the power of a machine which does 2000 joules of work in 10 se...
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- What is the SI unit of kinetic energy ?
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- Waterflows down the mountains to the plains. What happens to the poten...
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