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A bus of mass 1500 kg is accelerating ...

A bus of mass 1500 kg is accelerating from rest to a velocity of `2 ms^(-1)` in 10 sec . What will be (a) acceleration (b) gain in K.E (c ) average power ?

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MODERN PUBLICATION-WORK, ENERGY AND POWER -Revision Exercise (Numerical Problems)
  1. If the momentum of a body is increased by 50%, then the percentage inc...

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  2. IF the K.E of a body increases by 200 % then what will be the ...

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  3. The bob of a pendulum is moving with a speed of 5 m/s while passing ...

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  4. Calculate the increase in mass of water if 200 kg of water is heat...

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  5. A ball of mass 0.1 kg is thrown vertically upwards with a speed of 7 ...

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  6. A spring gets compressed when a body of mass 5 g is dropped on it...

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  7. A platform having no mass is kept on a light elastic spring . When...

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  8. Calculate the total amount of energy released if 20 g of given ma...

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  9. 5000 cm^(3) of blood per minute is fored by heart through the arter...

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  10. Calculate the input power of a machine if it can take out 500 kg of...

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  11. A bus of mass 1500 kg is accelerating from rest to a velocity of 2 m...

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  12. A ball A of mass 0.2 strikes another ball B of unknown mass at rest ...

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  13. A body of mass m falls from a height h and collides with another body ...

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  14. A body of mass m moving with a velocity strikes a stationary body ...

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  15. A body of mass m falls from a height h and collides with another body ...

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  16. A body of mass 3 kg moving with a velocity of 5 m/s collides inelasti...

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  17. If a spring of spring constant K is vcut into two parts A and B ha...

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  18. A body A collides elastically with another body B at rest . The bodie...

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  19. which a U^(238) nucleus original at rest , decay by emitting an alpha ...

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  20. A bullet moving with a speed of 120 m/s is able to penetrate throug...

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