Home
Class 11
PHYSICS
A train weighing 1000 quintals is runnin...

A train weighing `1000` quintals is running on a level road with a unifrom speed of `72km//h` If the frictional resistance amounts to 50g wt. per quintal find power in watt, take `g = 9.8ms^(2)`.

Promotional Banner

Topper's Solved these Questions

  • Laws of Motion

    SL ARORA|Exercise Exercise|627 Videos
  • Kinetic Theory of gases

    SL ARORA|Exercise Example|47 Videos
  • LAWS OF MOTION : FRICTION

    SL ARORA|Exercise Self Practice|95 Videos

Similar Questions

Explore conceptually related problems

A train weighing 100 metric ton is running on a level track with a uniform speed of 72km h^(-1) . If the frictional resistance amounts to 0.5kg per metric ton, find the power of the engine

A train of weight 10^(7)N is running on a travel track with uniform speed of 36 km h^(-1) . The frictional force is 0.5 kg f per quintal. If g = 10 ms^(-2) , power of engine is

A railway engine weighing 40 metric ton is travelling along a level track at a speed of 54 km H^(-1) What additional power is required to maintain the same speed up an incline of 1 in 49 Take g = 9.8 m//s^(2) and m u = 0.1 .

Calculate the power of an engine , which can just pull a train of mass 5000 quintals up an incline of 1 in 50 at the rate of 54 km//h . The resistance due to friction is 0.8 N //"quintal" . Take g = 9.8 m//s^(2) .

A truck of amss 10 ton is movng up an incline of 1 in 50 with a uniform velocity of 72 km/h. If the resistance opposing the motion of the truck due to friction is 5 kg per ton, the power of the engine is (g=10m//s^(2))

Consider a car moving along a straight horizontal road with a speed of 72 km/h. If the coefficient of static friction between the tyres and the road is 0.5, the shortest distance in which the car can be stopped is [g=10 ms^(-1)]

Consider a car moving along a straight horizontal road with a speed of 36 km/h. If the coefficient of static friction between road and tyers is 0.4, the shortest distance in which the car can be stopped is (Take g=10 m//s2)

SL ARORA-Laws of Motion-Exercise
  1. A motor car running at the rate of 7ms^(1) can be stooped by applying ...

    Text Solution

    |

  2. Find the power of an engine which can maintain speed of 50ms^(-1) for ...

    Text Solution

    |

  3. A train weighing 1000 quintals is running on a level road with a unifr...

    Text Solution

    |

  4. An automobile of mass m starts from rest and accelerates at a maximum ...

    Text Solution

    |

  5. A suitcase is gently dropped on a conveyor belt moving at 3ms^(-1) If ...

    Text Solution

    |

  6. A truck moving at 72 kmh ^(-1) carries a steel girder which rests on i...

    Text Solution

    |

  7. A bullet of mass 10 gram is fired horizontally into a 5 kg wooden bloc...

    Text Solution

    |

  8. In the masses of A and B are 10 kg and 5 kg . Calculate the minimum ma...

    Text Solution

    |

  9. A block of mass 2kg rests on a rough inclined plane making an angle of...

    Text Solution

    |

  10. A block of mass 10 kg is sliding on a surface inclined at 30^(@) with ...

    Text Solution

    |

  11. Find the force required to move a train of mass 10^(5) kg up an inclin...

    Text Solution

    |

  12. A block slides down an incline of angle 30^(@) with an acceleration of...

    Text Solution

    |

  13. A 10 kg block slides without acceleration down a rough inclined plane ...

    Text Solution

    |

  14. A railway engine weighing 40 metic ton is travelling along a level tra...

    Text Solution

    |

  15. A metal block of mass 0.5 kg is placed on a plane inclined to the hori...

    Text Solution

    |

  16. A metal block of mass 0.5 kg is placed on a plane inclined to the hori...

    Text Solution

    |

  17. A metal block of mass 0.5 kg is placed on a plane inclined to the hori...

    Text Solution

    |

  18. A block A of mass 14 kg moves alongg an inclined plance that makes an ...

    Text Solution

    |

  19. A block A of mass 14 kg moves alongg an inclined plance that makes an ...

    Text Solution

    |

  20. A wooden block of mass 100 kg rests on a flat wooden floor, the coeffi...

    Text Solution

    |