Home
Class 11
PHYSICS
A particle if fired vertically upward wi...

A particle if fired vertically upward with a speed of 15 km/s from the surface of earth. The speed with which it moves in intersteller space is - (Take escape speed from surface of earth as 11.2 km/s)

A

zero

B

3.8 km/s

C

` =10` km/s

D

`= 4` km/s

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-III) Orbital velocity & escape velocity (LEVEL-II)Straight Objective Type Questions |4 Videos
  • GRAVITATION

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-III) Orbital velocity & escape velocity (LEVEL-II)More than One correct answer Type Questions |5 Videos
  • GRAVITATION

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-II) Relation between g & G and variation of g (LEVEL-II)Straight Objective Type Questions |4 Videos
  • GAUSS.S LAW

    AAKASH SERIES|Exercise PROBLEMS (LEVEL - II)|12 Videos
  • GRAVITATIONAL

    AAKASH SERIES|Exercise EXERCISE -3|154 Videos

Similar Questions

Explore conceptually related problems

A particle is fired vertically upwards from the urface of earth and reaches a height 6400 km. Find the initial velocity of the particle if R = 6400 km and g at the surface of earth is 10 m//s^2 .

A rocket is launched striaght up from the surface of the earth the earth the minimum velocity with which it should coast is (Escape velocity on the surface of the earth is 11.2 kms^(-1) )

Mount Everest is at a height of _____ km from the earth’s surface.

AAKASH SERIES-GRAVITATION-PRACTICE SHEET (EXERCISE-III) Orbital velocity & escape velocity (LEVEL-I)Straight Objective Type Questions
  1. Two satellites of masses 100kg and 200kg are revolving the earth at at...

    Text Solution

    |

  2. A geostationary satellite is orbiting the earth at a height of 6R abov...

    Text Solution

    |

  3. A geo-stationary satellite orbits around the earth in a circular orbit...

    Text Solution

    |

  4. The radius in kiometers to which the present radius of the earth (R = ...

    Text Solution

    |

  5. A particle if fired vertically upward with a speed of 15 km/s from the...

    Text Solution

    |

  6. A body is suspended from a spring balance kept in a satellite. The rea...

    Text Solution

    |

  7. Two satellites A & B move round the earth in the same orbit. The mass ...

    Text Solution

    |

  8. A tunnel is dug along the diameter of the earth. There is a particle o...

    Text Solution

    |

  9. Ratio of the radius of a planet A to that of planet B is .r.. The rati...

    Text Solution

    |

  10. A body projected vertically upwards from the surface of the earth with...

    Text Solution

    |

  11. A particle is projected vertically up with a velocity sqrt(gR). Where ...

    Text Solution

    |

  12. For a body to escape from earth, angle from horizontal at which it sho...

    Text Solution

    |

  13. A satellite is revolving around earth its equational plane with a peri...

    Text Solution

    |

  14. If the radius of moon is 1.7 xx 10^(6) m and its mass is 7.34 xx 10^(2...

    Text Solution

    |

  15. A satellite is seen every 6 hours over the equator. It is known that i...

    Text Solution

    |

  16. There are two planets. The ratio of the two planets is k but ratio of ...

    Text Solution

    |

  17. A spaceship is launched into a circular orbit of radius R close to the...

    Text Solution

    |

  18. The orbital velocity of an artifical satellite in a circular orbit jus...

    Text Solution

    |

  19. A satellite is revolving around a planet in a circular oribt of radius...

    Text Solution

    |

  20. When a satellite is going round the earth in a circular orbit of radiu...

    Text Solution

    |