Home
Class 11
PHYSICS
An engine can eject 6000 kg of water upw...

An engine can eject 6000 kg of water upwards at `15 m*s^(-1)`, in 1 min . Find the power of the engine.

Text Solution

Verified by Experts

The correct Answer is:
14.7 kW
Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise PROBLEM SET -II|47 Videos

  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise PROBLEM SET -II (Hots Numerical Problems)|9 Videos

  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise EXERCISE (short Answer Type Questions-II)|7 Videos

  • WBCHSE QUESTION PAPER -2019

    CHHAYA PUBLICATION|Exercise SECTION - II ( GROUP -D)|10 Videos

Similar Questions

Explore conceptually related problems

A fire engine raises 6 kL of water per minute to a height of 2m and ejects it at 9.2m*s^(-1) . Find the power of the engine. Given mass of 1L of water is 1 kg.

A pump lifts 5000kg of water per minute through a height of 12m. Find the power of the engine if 30 % of energy is wasted.

An engine, working at a constant rate, is pulling a train of mass 500 tonne along a plane of inclination sin ^(-1) (1/(100)) . If the frictional force per metric tonne is 49 N and the train is moving with a velocity of 10 m *s^(-1) , what is the power of the engine in kilowatt ? [ 1 tonne (metric ton) =1000 kg]

A railway engine of mass 12,000 kg is moving at constant speed of 5m*s^(-1) up an inclined of 15^@ . Calculate the power of the engine. Given g=9.8 m*s^(-2) .

A car of mass 1000 kg moves up at 40 km *h^(-1) along an inclined plane of slope 1/(50) . Coefficient of rolling friction between the road and the wheels of the car is 0.3. Find the power of the car engine.

A car of mass 500 kg is moving up along an inclined surface of slope 1/(25) at a constant speed of 72 km*h^(-1) . If the coefficient of friction between the road and the car wheel is 0.1 , find the power of the car engine (g= 9.8 m*s^(-2) ).

The engine of a train has to apply a force of 5000 N to overcome friction to run at a uniform rate of 90 km *h^(-1) . What is the power developed by the engine ?

An engine is pulling up a train at 54 km*h^(-1) along a plane of slope 1/(200) . Total mass of the engine and the train is 200 tonne (metric ton) , and the frictional force per tonne (metric ton) is 98 N . If the efficiency of the engine is 85% , what is the power of the engine ?

CHHAYA PUBLICATION-WORK AND ENERGY-PROBLEM SET -I
  1. Time taken by man of weight 580 N to climb up to the top of a towar 8...

    Text Solution

    |

  2. A pump lifts 5000kg of water per minute through a height of 12m. Find ...

    Text Solution

    |

  3. An engine can eject 6000 kg of water upwards at 15 m*s^(-1), in 1 min ...

    Text Solution

    |

  4. The engine of a train has to apply a force of 5000 N to overcome frict...

    Text Solution

    |

  5. A water pump raises water at a rate of 0.50 m^3// min from a depth of ...

    Text Solution

    |

  6. A electric motor creates a tension of 4500 N a hoisting cable and reel...

    Text Solution

    |

  7. A bullet of mass 80 g strikes a target at 100 cm*s^(-1). After penetr...

    Text Solution

    |

  8. A body of mass 1kg , at a height of 8m above the ground , is thrown v...

    Text Solution

    |

  9. A body of mass 10 kg is thrown vertically upwards with a velocity of ...

    Text Solution

    |

  10. Linear momenta of two masses m and 2m are equal. What is the ratio of ...

    Text Solution

    |

  11. Kinetic energies of two masses m and 2m are equal. What is the ratio ...

    Text Solution

    |

  12. A bullet of mass m, moving with a velocity u hits a wooden block of ma...

    Text Solution

    |

  13. A bullet of mass 10 g travels horizontally with a speed of 100 m*s^(-1...

    Text Solution

    |

  14. A ball is dropped from rest from a height of 10 m. if it loses 20% of ...

    Text Solution

    |

  15. A pendulum bob of mass 10^(-2) kg is raised to a height of 5xx 10^(-2)...

    Text Solution

    |

  16. A force of 30 N acts on a body of mass 2.0 kg starting from rest upto ...

    Text Solution

    |

  17. A body is kept hanging means of a thread of length 1.25 m. if the body...

    Text Solution

    |

  18. A stone of mass 500 g is tied at one end of a thread . If the stone i...

    Text Solution

    |

  19. A child revolves a stone of mass 0.5 kg tied to the end of a string ...

    Text Solution

    |

  20. A moving body A collides directly with a stationary body B and comes t...

    Text Solution

    |