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Rajan exerts a force of 150 N in pulling...

Rajan exerts a force of 150 N in pulling a cart at a constant speed of 10 m`s^(-1)` .Calculate the power exerted.

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ICSE- WORK ENERGY AND POWER-EXERCISE-2(A) (NUMERICALS)
  1. A body ,when acted upon by a force of 10 khf , get displaced by 0.5 m....

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  2. A boy mass 40 kg climbs up the stairs and reaches the roof at a height...

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  3. A man spend 6-4 KJ energy in displacing a body by 64 m in the directio...

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  4. A weight lifter lifted a load of 200 kgf to a height of 2.5 m in 5 s. ...

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  5. A machine raises a laod a 750 N through a height of 16 m in 5 s.Calcul...

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  6. An electric heater of power kW is used for 10 h.How much energy does i...

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  7. A water pump raises 50 litres of water through a height of 25 m in 5 ....

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  8. A pump is used to lift 500 kg of water from a depth of 80 m in 10 s .C...

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  9. An ox can a maximum force of 1000 N.It is taking part in a cart race a...

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  10. The power of a motor a is 40 kW .At what speed can the motor raise a l...

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  11. Rajan exerts a force of 150 N in pulling a cart at a constant speed of...

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  12. A boy weighing 350 N climbs up 30 steps.each 20 cm high in 1 minute .C...

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  13. IT takes 20 s for a person A of mass 50 kg to climb up the stairs. Whi...

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  14. A boy weighing 40 kgf climbs up a stair of 30 steps each 20 cm high in...

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  15. A man raises a box of mass 50 kg to a height of 2 m 10 s,while another...

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  16. A boy takes 3 minutes to lift a 20 litre water bucket from a 20 m deep...

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