Home
Class 11
PHYSICS
A 500kg rocket is set for verticle firin...

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

A

`127.5"kg s"^(-1)`

B

`187.5"kg s"^(-1)`

C

`185.5 "kg s^(-1)`

D

`137.5 "kg s"^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • NEWTONS LAWS OF MOTION

    ERRORLESS |Exercise Third Law of Motion|24 Videos
  • NEWTONS LAWS OF MOTION

    ERRORLESS |Exercise Conservation of Linear Momentum and Impulse|27 Videos
  • NEWTONS LAWS OF MOTION

    ERRORLESS |Exercise Self Evaluation Test|16 Videos
  • MOTION IN TWO DIMENSION

    ERRORLESS |Exercise Exercise|319 Videos
  • ROTATIONAL MOTION

    ERRORLESS |Exercise Practice Problems (Problems based on motion of connected mass)|10 Videos

Similar Questions

Explore conceptually related problems

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)

A 5000 kg rocket is set of vertical firing. The exhaust speed is 800" "ms^(-1) . To give an initial upward acceleration of 20ms^(-2) , the amount of gas ejected per second to supply the needed thrust will be (take, g=10ms^(-2) )

A 5000 kg rocket is set for vertical firing. The exhaust speed is 800 m//s . To give an initial upward acceleration of 20 m//s^(2) , the amount of gas ejected per second to supply the needed thrust will be (Take g = 10 m//s^(2) )

A 500 kg rocket is set of vertical firing. The relative speed of burnt gas is 800ms^(-1) To give an initial upwards acceleration of 20ms^(-2) , the amount of gas ejected per second to supply the needed thrust will be

A 1000kg rocket is set for vertical firing. The exhaust speed is 500m//s .To give the rocket an initial upward acceleration of 30 m//s^(2) , the amount of gas ejected per second to supply the needed thrust is

A 5000 kg rocket is set for verticle firing the relative speed of burnt gas is 800ms^(-1) To give an initial upwards acceleration of 20ms^(-2) the amount of gas ejected per second to supply the needed thrust will be

A 2000 kg rocket is set for vertical firing the exhaust speed is 400 m/s to given an initial upward acceleration of 10m//s^(2) . Find out the amount of gas ejected per second to supply the needed thrust (g=10m//s^(2))

ERRORLESS -NEWTONS LAWS OF MOTION-Second Law of Motion
  1. In an elevator moving vertically up with an acceleration g, the force ...

    Text Solution

    |

  2. A mass 1 kg is suspended by a thread. It is (i) lifted up with an ac...

    Text Solution

    |

  3. A 500kg rocket is set for verticle firing. The exhaust speed is 800ms^...

    Text Solution

    |

  4. A person holds a spring balance with a mass m hanging from it goes up ...

    Text Solution

    |

  5. The time period of a simple pendulum measured inside a stationary lift...

    Text Solution

    |

  6. A cork is submerged in water by a spring attached to the bottom of a b...

    Text Solution

    |

  7. Two trolleys of mass m and 3 m are attached by a spring. The spring wa...

    Text Solution

    |

  8. A boy of 50 kg is in a lift moving down with an acceleration 9.8ms^(-2...

    Text Solution

    |

  9. A body is imparted motion from rest to move in a straight line. If it ...

    Text Solution

    |

  10. A mass of 10 gm is suspended by a string and the entire system is fall...

    Text Solution

    |

  11. A second's pendulum is mounted in a rocket. Its period of oscillation ...

    Text Solution

    |

  12. Two balls of masses m(1) and m(2) are separated from each other by a p...

    Text Solution

    |

  13. A body, under the action of a force vec(F)=6hati -8hatj+10hatk , acqui...

    Text Solution

    |

  14. A cart of mass M is tied to one end of a massless rope of length 10 m....

    Text Solution

    |

  15. A cricket ball of mass 250g collides with a bat with velocity 10m//s a...

    Text Solution

    |

  16. A pendulum bob of mass 50 gm is suspended from the ceiling of an eleva...

    Text Solution

    |

  17. A train is moving with velocity 20 m//sec . on this dust is falling at...

    Text Solution

    |

  18. The average force necessary to stop a bullet of mass 20 g moving with ...

    Text Solution

    |

  19. The average resisting force that must act on 5kg mass to reduce its sp...

    Text Solution

    |

  20. A mass is hanging on a spring balance which is kept in a lift. The li...

    Text Solution

    |