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Give scientific reasons. Kinetic energy...

Give scientific reasons.
Kinetic energy of 2 body can never be negative.

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TARGET PUBLICATION-WORK AND ENERGY-EXERCISE
  1. A 50 W electric bulb is used for 8 hours every day. How much electrici...

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  2. A house consumes 300 units of energy during month of June. How much en...

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  3. Seema takes 1 minute to carry a bag weighing 20 kg to a height of 12 m...

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  4. From scientific point of view,when do we say that no work was done?

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  5. What are the different types of force and their examples?

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  6. Choose the correct alternative. Force applied on a wall results in to...

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  7. Choose the correct alternative. When fire crackers are exploded, the ...

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  8. Choose the correct alternative. When an object falls solely under the...

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  9. Energy is the to do work.

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  10. Answer the following State true or false. If false, write the correc...

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  11. Answer the following Name the following The energy of a ball which b...

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  12. Answer the following Find odd one out and justify. Generator, thermo...

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  13. Work done by gravitational force on an artificial satellite moving aro...

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  14. Give scientific reasons. Kinetic energy of 2 body can never be negati...

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  15. Answer the following If momentum of an object is zero, does it have m...

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  16. Answer the following If 3000 tons of water falls from 10 m high dam ...

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  17. Answer the following Explain with examples, how work done is zero eve...

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  18. Answer the following Define power and explain relation between differ...

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  19. Answer the following If a ball is dropped from a tall building, prove...

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