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A mass of 10 kg is dropped form a height...

A mass of 10 kg is dropped form a height of 50 cm. Find its kinetic energy just on touching the ground.

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MODERN PUBLICATION-WORK AND ENERGY-EXERCISE
  1. Two girls, each of weight 400 N climb up a rope through a height of 8 ...

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  2. A mass of 10 kg is dropped form a height of 50 cm. Find its potential ...

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  3. A mass of 10 kg is dropped form a height of 50 cm. Find its kinetic en...

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  4. A mass of 10 kg is dropped form a height of 50 cm. Find its velocity w...

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  5. A ball of mass 0.5 kg slows down from a speed of 5ms^-1 to 3ms^-1, cal...

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  6. Which would have greater effect on the kinetic energy of an object-dou...

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  7. Name the energy transformation taking place in the following devices: ...

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  8. How much the work is done, when earth moves around the sun in its orbi...

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  9. A 5 kg ball is thrown upwards with a speed of 10ms^-1(g=10ms^-2) Cal...

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  10. A 5 kg ball is thrown upwards with a speed of 10ms^-1(g=10ms^-2) Fin...

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  11. Calculate the electricity bill amount for a month of April, if 4 bulbs...

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  12. An object is made to fall from different heights 20 cm, 40 cm and 60 c...

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  13. An object is made to fall from different heights 20 cm, 40 cm and 60 c...

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  14. Define power. A boy of mass 45 kg climbs up 20 steps in 20 sec. it eac...

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  15. A truck and a car are running with same velocity. Which of the tow has...

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  16. Give an example of electrical energy converted into light energy.

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  17. What are two types of potential energy? Give two examples of each.

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  18. Define K.E. and derive the expression for K.E.

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  19. The kinetic energy of a body of mass 15 kg is 30 J . What is its momen...

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  20. An object of mass 15 kg moving with a uniform velocity of 4ms^-1. What...

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