Home
Class 12
PHYSICS
An engine develops 10 kW of power. How m...

An engine develops 10 kW of power. How much time will it take to lift a mass of 200 kg to a height of 40 m? (take, g=10 `ms^(-2)`)

A

4s

B

5s

C

8s

D

10s

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • WORK ENERGY AND POWER

    VMC MODULES ENGLISH|Exercise IMPECCABLE|54 Videos

  • WORK ENERGY AND POWER

    VMC MODULES ENGLISH|Exercise ENABLE|50 Videos

  • WAVE MOTION

    VMC MODULES ENGLISH|Exercise JEE ADVANCED ARCHIVE LEVEL 2 (TRUE FALSE TYPE)|4 Videos

Similar Questions

Explore conceptually related problems

An engine develops 20 kW of power. How much time will it take to lift a mass of 400 kg to a height of 40 m? (g=10 ms^(-2))

An engine develops 10 kW of power. How much time will it take to lift a mass of 200 kg to a height of 40 m ( g=10(m)/(sec^2) ) ?

An engine develops 10 kW of power. How much time will it take to lift a mass of 200 kg to a height of 40 m ( g=10(m)/(sec^2) ) ?

The power (P) of an engine lifting a mass of 100 kg up to a height of 10 m in 1 min is

A crane lifts a mass of 100 kg to a height of 10 m in 20 s. The power of the crane is (Take g = 10 m s^(-2) )

The power of a motor pump is 2kW. How much water per minute the pump can raise to a heiht of 10 m ? (Given g = 10 m//s^2)

In the arrengement shown in figure, the string has a mass of 4.5g . How much time will it take for a transverse disturbance produced at the floor to reach the pulley? Take g = 10ms^(-2) .

In the arrangement shown in figure, the string has a mass of 4.5 g. How much time will it take for a transverse disturbance produced at the floor to reach the pulley ? Take g=10ms^-2 .

What is the weight of a block of mass 10.5 kg ? Take g= 10 m s^(-2)

Calculate the weight of a body of mass 10 kg in newton . Take g = 9.8 "m s"^(-2) .

VMC MODULES ENGLISH-WORK ENERGY AND POWER -EFFICIENT
  1. A particle of mass 1 kg is moving along x - axis and a force F is also...

    Text Solution

    |

  2. If a projectile is projected with initial speed u and angle theta from...

    Text Solution

    |

  3. An 8 kg block accelerates uniformly from rest to a velocity of 4 m s^(...

    Text Solution

    |

  4. Consider the following statement. When jumping from some height, you s...

    Text Solution

    |

  5. An engine is working at a constant power draws a load of mass m agains...

    Text Solution

    |

  6. The potential energy of a system increase,if work is done

    Text Solution

    |

  7. A body projected vertically from the earth reaches a height equal to e...

    Text Solution

    |

  8. Power applied to a particle varies with time as P=(4t^(3)-5t+2) watt, ...

    Text Solution

    |

  9. An engine develops 10 kW of power. How much time will it take to lift ...

    Text Solution

    |

  10. What is work done when body will displaces perpendicular to the force ...

    Text Solution

    |

  11. A tube - well pump out 2400 kg of water per minute. If water is comin...

    Text Solution

    |

  12. A mass m moving horizontal (along the x-axis) with velocity v collides...

    Text Solution

    |

  13. A car of mass m starts from rest and accelerates so that the instantan...

    Text Solution

    |

  14. A solid cylinder of mass 3 kg is rolling on a horizontal surface with ...

    Text Solution

    |

  15. 300J of work is done in slinding a 2 kg block up an inclined plane of ...

    Text Solution

    |

  16. A sheel of mass 200g is ejected from a gun of mass 4 kg by an explosio...

    Text Solution

    |

  17. Two particles of masses m(1), m(2) move with initial velocities u(1) a...

    Text Solution

    |

  18. Two similar springs P and Q have spring constant K(P)"and "K(Q) , suc...

    Text Solution

    |

  19. What is the minimum velocity with which a body of mass m must enter a ...

    Text Solution

    |

  20. A body of mass 1 kg begins to move under the action of a time dependen...

    Text Solution

    |