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What is the kinetic energy of an object ...

What is the kinetic energy of an object ?

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The energy of an object due to its motion is called kinetic energy. The kinetic energy of a moving object is measured by the amount of work it can do before coming to rest.
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LAKHMIR SINGH & MANJIT KAUR-WORK AND ENERGY-Exercise
  1. Define 1 J of work.

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  2. A pair of bullocks exerts a force of 140 N on a plough. The field bei...

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  3. What is the kinetic energy of an object ?

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  4. Write an expression for kinetic energy of an object.

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  5. The kinetic energy of an object of mass m moving with a velocity of 5 ...

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  6. What is power ?

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  7. Define 1 W of power.

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  8. A lamp consumes 1000 J of electrical energy is 10 s. What is its power...

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  9. Define avarage power.

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  10. Look at the activites listed below. Reason out whether or not work is ...

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  11. An object thrown at a certain angle to the ground moves in a curved pa...

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  12. A battery lights a bulb. Describe the energy changes involved in the p...

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  13. Certain force acting on a 20 kg mass changes its velocity from 5m//s t...

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  14. A mass of 10 kg is at a point A on a table. It is moved to a point B. ...

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  15. The potential energy of a freely falling object decreases progressivel...

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  16. What are the verious energy transformations that occur when you are ri...

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  17. Does the transfer of energy take palce when you push a huge rock with ...

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  18. A certain household has consumed 250 units of energy during a month. H...

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  19. An object of mass 40 kg is raised to a height of 5 m above the ground....

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  20. What is the work done by the force of gravity on a satellite moving ro...

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