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If kinetic energy of a man of mass 40kg ...

If kinetic energy of a man of mass 40kg while running is 500J, then his velocity is ______-

A

`23 m/s`

B

`5 m/s`

C

`2.5 m/s`

D

`12.5m/s`

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The correct Answer is:
B
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TARGET PUBLICATION-WORK AND ENERGY-EXERCISE
  1. Energy is the to do work.

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  2. Kinetic energy comes into picture only when is taking place.

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  3. If kinetic energy of a man of mass 40kg while running is 500J, then hi...

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  4. A 40kg man possesses a potential energy of 2000J when he stands at the...

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  5. A freely fallimg body conserve its

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  6. Choose one or more alternatives: Which of the forces involved in drag...

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  7. Choose one or more alternatives: While dragging or lifting an objectm...

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  8. Joule is the unit of

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  9. Choose one or more alternatives: For work to be performed, energy mus...

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  10. Choose one or more alternatives: Power is a measure of the ………

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  11. The work done on an object does not depend on…..

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  12. The potential energy of your body isleast when you are……

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  13. The total energy of an object falling freely towards the ground………………....

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  14. If we increase the velocity of a car moving on a flat surface to 4 tim...

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  15. Complete the paragraph Select the appropriate options and complete th...

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  16. Name the folowing The CGS unit of work

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  17. Name the folowing Type of energy that depends upon the height of an ...

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  18. Name the folowing Energy which cannot be negative

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  19. Name the folowing The sum of the potential energy and the kinetic en...

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  20. Name the folowing Type of output energy given by loudspeaker

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