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The potential energy of a freely decreas...

The potential energy of a freely decreases progressively, Is this against the law of conservation of energy?

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TARGET PUBLICATION-WORK AND ENERGY-EXERCISE
  1. Answer the following questions: Prove that the kinetic energy of a fr...

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  2. Show that the mechanical energy of a freely falling body is conserved.

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  3. The potential energy of a freely decreases progressively, Is this agai...

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  4. Use your Brain Power! Can your father climb stairs as fast as you can...

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  5. Use your Brain Power! Will you fill the overhead water tank with the ...

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  6. Suppose Rajashree, Yash and Ranjeet have to reach the top of a small h...

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  7. What is power? What is its unit?

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  8. Show that kWh=3.6 times 10^5 J

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  9. What is the difference between power and work?

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  10. Read the statements given below. Identify and write the concept upon w...

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  11. Read the statements given below. Identify and write the concept upon w...

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  12. Read the statements given below. Identify and write the concept upon w...

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  13. Read the statements given below. Identify and write the concept upon w...

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  14. Read the statements given below. Identify and write the concept upon w...

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  15. Read the statements given below. Identify and write the concept upon w...

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

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  17. Why is the work done on an object moving with uniform circular motion ...

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  18. Kinetic energy of a body can never be negative.

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  19. A fast bowler takes a run -up before bowling a ball.

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  20. Explain the difference between potentail energy and kinetic energy.

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