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How will the momentum of a body change i...

How will the momentum of a body change if its kinetic energy is doubled ?

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SL ARORA-Work, Energy and power-EXERCISE
  1. Calculate the number of joules in 1 kWh?

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  2. Show that 1J = 10^7erg

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  3. How will the momentum of a body change if its kinetic energy is double...

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  4. Show graphically the variation of potential energy of an object thrown...

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  5. How does kinetic energy of a moving ball change if its speed is reduce...

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  6. What is the work done by centripetal force in moving a body through ha...

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  7. What is an elastic collision ?

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  8. Define the term work. Calculate the work done by a constant force. Is ...

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  9. Give the expression for work done if angle between force oversetrighta...

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  10. Define the term work and derive its SI unit. Write an expression for t...

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  11. How do we calculate work done by a force ? Write any two conditions un...

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  12. What is the amount of work done by a weight-lifter in holding a weight...

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  13. What is the amount of work done by a weight-lifter in holding a locomo...

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  14. Derive an expression for the potential energy of an elastic stretched ...

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  15. Define power. Prove that P=oversetrightarrowF.oversetrightarrowv wher...

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  16. By what factor the velocity of a body should be increased so that its ...

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  17. Two bodies A and B weighing 5 kg and 6 kg respectively have equal mome...

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  18. Define kinetic energy. Give its units and dimensional formula.

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  19. Define potential energy. Give its units and dimensional formula.

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  20. Draw the variation of potential energy and kinetic energy of a block a...

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