Home
Class 11
PHYSICS
If the force on a rocket moving with a v...

If the force on a rocket moving with a velocity of 300m/s is 345 N, then the rate of combustion of the fuel is

A

`0.07 kg//s`

B

`1.4 kg//s`

C

`0.7 kg//s`

D

`10.7 kg//s`

Text Solution

Verified by Experts

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

The force on a rocket moving with a veloctiy 300 m/s is 210N. The rate of consumption of fuel of rocket is

Calculate the wavelength of 100 kg rocket moving with a velocity of 300 km per hour.

An aircraft is moving with a velocity of 300ms^(-1) . If all the forces acting on it are balanced, then

During the rocket propulsion, gases ejecting with velocity 1 km/s relative to rocket. The rate of fuel consumption is (m)/(10) kg/s, where m is the instantaneous mass of the rocket. If air ressitance varies according to equation f = 0.15 mv, then terminal velocity of the rocket is -

5A body of mass 15 kg moving with a velocity of 10 m//s is to be stopped by a resistive force in 15 sec, the force will be -

In a rocket, fuel bums at the rate of 1 kg/s. This fuel is ejected from the rocket with a velocity of 60 km/s. This exerts a force on the rocket equal to

Initial fuel of rocket = 1000kg if it was given acceleration = 20 m/s^2 then find rate of consumption of fuel if velocity of fuel w.r.t rocket = 500 m/s

A cart is moving with a velocity 20m/s. Sand is being dropped into the cart at the rate of 50 kg/min. The force required to move the cart with constant velocity will be :-

SL ARORA-Laws of Motion-Exercise
  1. A plank with a box on it at one end is gradully raised about the other...

    Text Solution

    |

  2. A conveyor belt is moving at a constant speed of 2m//s . A box is gent...

    Text Solution

    |

  3. When milk is churned, cream gets separated due to

    Text Solution

    |

  4. A 500 kg car takes a round turn of radius 50 m with a velocity of 36...

    Text Solution

    |

  5. Two stone of masses m and 2 m are whirled in horizontal circles, the h...

    Text Solution

    |

  6. A ball of mass 0.25 kg attached to the end of a string of length 1.96 ...

    Text Solution

    |

  7. A tube of length L is filled completely with an incompressible liquid ...

    Text Solution

    |

  8. A mass is performing vertical ciruclar motion . If the average velocit...

    Text Solution

    |

  9. A car of mass m is moving on a level circular track of radius R if mu(...

    Text Solution

    |

  10. A car of mass 1000kg negotiates a banked curve of radius 90m on a fict...

    Text Solution

    |

  11. A gramphone record is revolving with an angular velocity omega. A coin...

    Text Solution

    |

  12. In a rocket, fuel bums at the rate of 1 kg/s. This fuel is ejected fro...

    Text Solution

    |

  13. If the force on a rocket moving with a velocity of 300m/s is 345 N, th...

    Text Solution

    |

  14. Two blocks A and B of masses 2m and respectively, are connected by a ...

    Text Solution

    |

  15. One end of string of length l is connected to a particle on mass m and...

    Text Solution

    |

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

    Text Solution

    |

  17. A car is negotisting a curved road of radius R . The road is banked at...

    Text Solution

    |

  18. A riding ball of mass m strikes a rigid wall at 60^(@) and gets reflec...

    Text Solution

    |

  19. Which one of the following statements is incorrect

    Text Solution

    |

  20. A block of mass m is placed on a smooth inclined wedge ABC of inclinat...

    Text Solution

    |