Home
Class 11
PHYSICS
A rocket is fired from the earth's surfa...

A rocket is fired from the earth's surface to put the pay load in the required orbit/ The motion of the rocket is given by:

A

`F=m((dv)/(dt))`

B

`F=(dp)/(dt)`

C

`F=v((dm)/(dt))`

D

F= constant

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • FORCE AND NEWTONS LAWS OF MOTION

    GRB PUBLICATION|Exercise More than one choice is correct|15 Videos
  • FORCE AND NEWTONS LAWS OF MOTION

    GRB PUBLICATION|Exercise Assertion- Reason|4 Videos
  • FORCE AND NEWTONS LAWS OF MOTION

    GRB PUBLICATION|Exercise Problem for practice|30 Videos
  • BASIC MATHEMATICS

    GRB PUBLICATION|Exercise Problems For Practice|35 Videos
  • FRICTION AND CIRCULAR MOTION

    GRB PUBLICATION|Exercise Comprehension type|11 Videos

Similar Questions

Explore conceptually related problems

A rocket is fired from earth's surface with a speed v=2 sqrtRg in the upwards direacton :-

A rocket is fired upward from the earth's surface such that it creates an acceleration of 19.6 m/sec . If after 5 sec its engine is switched off, the maximum height of the rocket from earth's surface would be

A rocket is fired from the earth to the moon. The distance between the earth and the moon is r and the mass of the earth is 81 times the mass of the moon. The gravitational force on the rocket will be zero when its distance from the moon is

A rocket is fired upward from the earth's surface such that it creates an acceleration of 20 m//s^(2) . If after 5 s its engine is switched off, the maximum height of the rochet from the earth's surface would be

A rocket fired from the earth's surface ejects 1% of its mass at a speed of 2000 ms^(-1) in the first second. Find the average acceleration of the rocket in the first second.

Rocket engines lift a rocket from the earth surface because hot gas with high velocity

A rocket is fired vertically with a speed of 5 kms^(-1) from the earth's surface. How far from the earth does the rocket go before returning to the earth ? Mass of earth= 6.0xx10^(24) kg, mean radius of the earth = 6.4xx10^(6) m, G= 6.67xx10^(-11)Nm^(2)Kg^(-2).

A rocket is fired from the earth towards the sun. At what distance from the earth's centre is the gravbitaional force on the rocket zero? Mass of the sun =2xx10^(30)kg , mass of the earth =6xx10^(24)kg . Neglect the effect of other planets etc. (orbital radius= 1.5xx10^(11)m ).

GRB PUBLICATION-FORCE AND NEWTONS LAWS OF MOTION-Objective Questions
  1. In a legend the hero kicked a baby pig so that he is projected with a ...

    Text Solution

    |

  2. The length of an elastic string is x when tension is 5N. Its length is...

    Text Solution

    |

  3. A rocket is fired from the earth's surface to put the pay load in the ...

    Text Solution

    |

  4. An elevator starts from rest with a constant upward acceleration it mo...

    Text Solution

    |

  5. A uniform thick string of length 5 m is resting on a horizontal frict...

    Text Solution

    |

  6. A body of mass M rests on a horizontal plane having coefficient of fri...

    Text Solution

    |

  7. In the adjoining diagram the ball A is released from rest when the spr...

    Text Solution

    |

  8. A closed compartment containing gas is moving with some acceleration i...

    Text Solution

    |

  9. A block of mass m is placed on a smooth wedge of wedge angle theta The...

    Text Solution

    |

  10. Sand is being dropped on a conveyor belt at the rate of Mkg//s . The f...

    Text Solution

    |

  11. The line of action of the resultant of two like parallel forces shifts...

    Text Solution

    |

  12. If a particle is compelled to mvoe on a given smooth plane curve under...

    Text Solution

    |

  13. A ball of mass 150 gm starts moving at 20m//s and is hit by a force wh...

    Text Solution

    |

  14. If a man of ,mass M jumps to the ground from a height h and his centr...

    Text Solution

    |

  15. A bullet moving with a speed 'v' can just penetrate two planks of equa...

    Text Solution

    |

  16. In the system shown in fig the mass 30 kg is pulled by a force 210 N A...

    Text Solution

    |

  17. In the system shown in fig when both masses are moving with the same a...

    Text Solution

    |

  18. In the system shown in fig the pulley is frictionless and the string m...

    Text Solution

    |

  19. In the system shown in fig the pulley is frictionless and the string m...

    Text Solution

    |

  20. In fig tension in the string that connects the masses A and B is T(1) ...

    Text Solution

    |