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MBD-WORK, ENERGY AND POWER-Example
- What is power ? Write its SI unit also.
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- Prove by an experiment that mechanical energy can be transformed into ...
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- Differentiate between Potential Energy and Kinetic Energy.
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- A horse and a dog are running with the same velocity- If the mass of h...
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- Two masses m and 2m are dropped from height h and 2h. On reaching the ...
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- Two objects having same mass 'm' are moving with velocities v and 2v. ...
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- A man drops a 10 kg rock from the top of a 20 m ladder. What will be i...
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- 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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