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The kinetic energy of an object of mass,...

The kinetic energy of an object of mass, m moving with a elocity of `5 ms^-1`, is 25J. What will be its kinetic energy when its velocity is doubled? What will be its kinetic energy when its velocity is increased three times?

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R G PUBLICATION-WORK AND ENERGY-EXAMPLE
  1. What is the kinetic energy of an object?

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  2. Write an expression for the kinetic energy of an object.

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  3. The kinetic energy of an object of mass, m moving with a elocity of 5 ...

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  4. What is power?

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  5. Define 1 watt of power.

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  6. A lamp consumes 1000J of electrical energy in 10s. What is the power?

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  7. Define average power.

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

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  10. Certain force acting on a 20 kg mass changes its velocity from 5 m s^-...

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  11. A mass of 10 kg is a point A on a table. It is moved to a point B. If ...

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

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  13. What are the various energy transformations that occur when you are ri...

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

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