Home
Class 11
PHYSICS
A rocket is set for vertical firing If t...

A rocket is set for vertical firing If the exhaust speed is `1200ms^(-1)` , how much gas must be ejected per second to supply the thrust needed (i) to overcome the weight of rocket (ii) to give to the rocket an initial vertical upward acceleration of `29.6 m//s^(2)` Given mass of rocket = 6000 kg.

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 6000 - kg rocket is set for firing . If the exhaust speed is 1000 ms^(-1) , how much gas must be ejected per second to supply the thrust needed , (a) to overcome the weight of the rocket , (b) to give the rocket an initial acceleration of 19.6 ms^(-2) ?

A 600 kg rocket is set for vertical firing. If the exhaust speed is 1000m/s, the mass of the gas ejected per second to supply the thrust needed to overcome the weight of rocket is

A 600 kg rocket is set for a vertical fliring. If the exhaust speed is 100 m//s , the mass of the gas ejected per second to supply the thrust needed to overcome the weight of rocket is

A 600 kg rocket is set for a vertical firing If the exhaust speed is 100m//s the gas ejected per sec to supply the thrust needded to overcome the weigth of rocket is .

A rocket is set for a vertical firing . If the exhaust speed is 2000 m//s , find the rate of fuel consumption initial vertical upward acceleration of 30 m//s^(2) . Take mass of rocket = 6000 kg .

A 500kg rocket is set for verticle firing. The exhaust speed is 800ms(-2) . To give an initial upward acceleration of 20ms(-2) , the amount of gas ejected per second to supply the needed thrust will be (g=10ms(-2)

SL ARORA-Laws of Motion-Exercise
  1. A rocket is set for vertical firing If the exhaust speed is 1200ms^(-1...

    Text Solution

    |

  2. A force acts for 10 s on a body of mass 10 kg after which the force ce...

    Text Solution

    |

  3. A truck starts from rest and rolls down a hill with a constant acceler...

    Text Solution

    |

  4. A force of 5N gives a mass m(1), an acceleration of 8 m//s^(2), and a ...

    Text Solution

    |

  5. In an X-ray machine an electron is subjected to a force of 10^(-23) N ...

    Text Solution

    |

  6. A stone of mass 5kg falls from the top of a cliff 50m high and buries ...

    Text Solution

    |

  7. A bullet of mass 100 gram moving with 20 m//s Strikes a wooden plank ...

    Text Solution

    |

  8. A motor car running at the rate of 7ms^(1) can be stooped by applying ...

    Text Solution

    |

  9. A force of 50N is inclined to the vertical at an angle of 30^(@) Find ...

    Text Solution

    |

  10. A ship of mass 3xx10^7kg initially at rest, is pulled by a force of 5x...

    Text Solution

    |

  11. A ballon has a mass of 5 g in air. The air escapes from the ballon at ...

    Text Solution

    |

  12. A cricket ball of mass 150 kg is moving with a velocity of 12 m//s and...

    Text Solution

    |

  13. A hammer weighing 1 kg moving with the speed of 10ms^(-1) strikes the ...

    Text Solution

    |

  14. A hammer weighing 1 kg moving with the speed of 10ms^(-1) strikes the ...

    Text Solution

    |

  15. A hammer weighing 1 kg moving with the speed of 10ms^(-1) strikes the ...

    Text Solution

    |

  16. Two billiard balls of mass 50 g moving in oppositedirections with spee...

    Text Solution

    |

  17. A machine gun has a mass of 20 kg . It fires 35 g bullets at the rate ...

    Text Solution

    |

  18. A ball of mass 20 gram hits a wall at an angle of 45^(@) with a veloci...

    Text Solution

    |

  19. A glass ball whose mass is 10 g falls from a height of 40 m and reboun...

    Text Solution

    |

  20. A force acting on a body of mass 2 kg varies with time as shown in fig...

    Text Solution

    |

  21. A force acting on a body of mass 2 kg varies with time as shown in fig...

    Text Solution

    |