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If two bodies stick together after colli...

If two bodies stick together after collision. Will the collision be elastic or inelastic?

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SL ARORA-Work, Energy and power-EXERCISE
  1. Which physical quantities are conserved in an elastic collision?

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  2. Which physical quantity is conserved in both, elastic and inelastic co...

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  3. If two bodies stick together after collision. Will the collision be el...

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  4. A bullet gets embedded in a wooden block. Where does its KE go?

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  5. Give three examples of forces which are conservative in nature.

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  6. Friction is non-conservative force. How ?

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  7. Name the process in which (i) momentum is conserved but K.E. is not co...

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  8. A coolie with load on his head is walking on a horizontal platform. Wh...

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  9. An artificial satellite is at a height of 36,500 km above earth's surf...

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  10. Give two examples from daily life where according to physics, work don...

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  11. What is the source of KE of falling rain drops ?

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  12. State work-energy theorem.

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  13. What is spring constant ? What are its SI units?

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  14. Calculate the number of joules in 1 kWh?

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  15. Show that 1J = 10^7erg

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

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

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

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

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  20. What is an elastic collision ?

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