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MBD -HARYANA BOARD-WORK, ENERGY AND POWER-Example
- Explain the law of conservation of charge with the help of a suitable ...
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- If the force acting on the object is not in the direction of motion th...
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- Define power and its SI unit.?
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- Can a given amount of mechanical energy be completely converted into h...
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- Differentiate between Potential Energy and Kinetic Energy.
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- (a) What do you understand by the kinetic energy of a body ? (b) A b...
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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 maxx 3xx10^6kg takes off from a launching pad and acquires...
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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 man 2.5 kg. on his head moves to a...
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- A car of 1000 kg moving with a velocity of 30 m//s stops with uniform ...
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- What is the kinetic energy of a body of mass 1 kg moving with a speed ...
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- The work done by the heart 1J per beat. Calculate the power of the hea...
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- Commercial Unit Of Energy
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- What is the work done by centripetal force in moving a body through ha...
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- A body is thrown vertically upwards ? Its velocity goes on decreasing...
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