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MODERN PUBLICATION-WORK AND ENERGY-EXERCISE
- What type of energy is stored in the following cases? A compressed s...
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- What type of energy is stored in the following cases? An extended sp...
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- What type of energy is stored in the following cases? An object at a...
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- What type of energy is stored in the following cases? A stretched bo...
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- How do green plants produce food? Where do they get their energy from?
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- Why does air move from place to place?
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- How are fuels such as coal and petroleum formed?
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- The velocity of a body moving in a straight line is increased by apply...
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- Is it possible that a force is acting on a body but still work done is...
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- Two bodies of equal masses move with uniform velocities v and 3v respe...
01:56
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- Define 1 watt.
02:30
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- An electric bulb of 60 W is used for 6 hours per day. Calculate the un...
01:34
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- Define work. Give its SI and CGS unit. What is the relationship betwee...
01:55
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- Give an example for force acting in the direction of displacement.
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- Give an example for force acting against the direction of displacement...
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- Deifne potential energy. On what factors does potential energy depends...
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- A body is thrown vertically upwards with a speed u. When does its pote...
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- A body is thrown vertically upwards with a speed u. When does kinetic ...
02:10
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- A body is thrown vertically upwards with a speed u. When does P.E. = K...
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- Two girls, each of weight 400 N climb up a rope through a height of 8 ...
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