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A boy of mass 18 kg is running with a sp...

A boy of mass 18 kg is running with a speed of 12 km/h. Find the kinetic energy possessed by the boy.

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MODERN PUBLICATION-WORK AND ENERGY-EXERCISE
  1. What are the various forms of energy? Give some examples of each.

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  2. Define Kinetic energy. Give one example.

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  3. A boy of mass 18 kg is running with a speed of 12 km/h. Find the kinet...

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  4. Given that the kinetic energy of an object is 100 J. If the mass of ob...

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  5. A stationary football is kicked by a player such that it attains a spe...

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  6. Find the work done in in reasing the speed of car from 18 kmh^-1 to 36...

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  7. What is the force required to lift a book of mass m? This force is req...

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  8. What happens to the potential energy if the height of a body is double...

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  9. Give two example of bodies possessing gravitational P.E.

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  10. Give two example of bodies possessing elastic P.E.

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  11. Define potential energy. Derive an expression for it. On what factors ...

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  12. A body of mass 6 kg is kept at a height of 5 m from the surface of ear...

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  13. The body of mass 6 kg is taken from a height of 5 m to a height of 10 ...

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  14. An object of mass 12 kg is at a certain height above the ground. If th...

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  15. A boy of mass 40 kg climbs vertically upwards on a coconut tree to a h...

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  16. A boy of mass 40 kg climbs vertically upwards on a coconut tree to a h...

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  17. In a solar cell panel, energy is converted into energy.

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  18. In a micorphone, energy is converted into energy.

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  19. The point of minimum kinetic energy in case of oscillating pendulum is...

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  20. Graphically show the variation of potential energy of a freely falling...

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