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CPC CAMBRIDGE PUBLICATION-WORK AND ENERGY-EXERCISE
- An object thrown at a certain angle to the ground moves in a curved pa...
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- A battery lights a bulb. Describe the energy changes involved in the p...
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- Certain force acting on a 20 kg mass changes its velocity from 5ms^(-1...
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- A mass of 10 kg is at a point A an a table. It is moved to a point V. ...
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- The potential energy of a frequency falling object decreases progressi...
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- What are the various energy transfor-mations that occur when you are r...
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- Does the transfer of energy take place when you push a huge rock with ...
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- A certain household has consumed 250 units of energy during a month. H...
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- An object of mass 40 kg is raised to a height of 5m above the ground. ...
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- What is the work done by the force of gravity on a satellite moving ro...
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- Can there be displacement of an object in the absence of any force act...
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- A person holds a bundle of hay over his head for 30 minutes and gets t...
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- An electric heater is rated 1500 w. How much energy does it use in 10 ...
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- Ilustrate the law of conservation of energy by discussing the energy c...
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- An object of mass , m is moving with a constant velocity, v. How much ...
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- Calculate the work required to be done to stop a car of 1500 kg moving...
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- In each of the following a force, F is acting on an object of mass, m....
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- Soni says that the acceleration in an object could be zero even when s...
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- Find the energy in kwh consumed in 10 hours by four devices of power 5...
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- A freely falling object eventually stops on reaching the ground. What ...
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