Home
Class 11
PHYSICS
The escape speed of a projectile on the ...

The escape speed of a projectile on the earth’s surface is `11.2 km s^-1` . A body is projected out with thrice this speed. What is the speed of the body far away from the earth? Ignore the presence of the sun and other planets.

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Does the escape speed of a body from the earth depend on:- the mass of the body

Does the escape speed of a body from the earth depend on:- the direction of projection,

Does the escape speed of a body from the earth depend on:- the location from where it is projected,

Does the escape speed of a body from the earth depend on:- the height of the location from where the body is launched?

A rocket is fired with a speed of 2sqrt(gR) near the surface of earth and is direceted upwards .What is the speed of the rocket in the interstellar space?

PSEB-GRAVITION-Exercise
  1. A comet orbits the sun in a highly elliptical orbit. Does the comet ha...

    Text Solution

    |

  2. A comet orbits the sun in a highly elliptical orbit. Does the comet ha...

    Text Solution

    |

  3. Which of the following symptoms is likely to afflict an astronaut in s...

    Text Solution

    |

  4. Which of the following symptoms is likely to afflict an astronaut in s...

    Text Solution

    |

  5. Which of the following symptoms is likely to afflict an astronaut in s...

    Text Solution

    |

  6. Which of the following symptoms is likely to afflict an astronaut in s...

    Text Solution

    |

  7. A rocket is fired from the earth towards the sun. At what distance fro...

    Text Solution

    |

  8. How will you ‘weigh the sun’, that is estimate its mass? The mean orbi...

    Text Solution

    |

  9. A saturn year is 29.5 times the earth year. How far is the saturn from...

    Text Solution

    |

  10. A body weighs 63 N on the surface of the earth. What is the gravitatio...

    Text Solution

    |

  11. Assuming the earth to be a sphere of uniform mass density, how much wo...

    Text Solution

    |

  12. A rocket is fired vertically with a speed of 5 km s^-1 from the earth’...

    Text Solution

    |

  13. The escape speed of a projectile on the earth’s surface is 11.2 km s^-...

    Text Solution

    |

  14. A satellite orbits the earth at a height of 400 km above the surface. ...

    Text Solution

    |

  15. Two stars each of one solar mass (= 2xxl0^30 kg) are approaching each ...

    Text Solution

    |

  16. Two heavy spheres each of mass 100 kg and radius 0.10 m are placed 1.0...

    Text Solution

    |

  17. As you have learnt in the text, a geostationary satellite orbits the e...

    Text Solution

    |

  18. A star 2.5 times the mass of the sun and collapsed to a size of 12 km ...

    Text Solution

    |

  19. A spaceship is stationed on Mars. How much energy must be expended on ...

    Text Solution

    |

  20. A rocket is fired ‘vertically’ from the surface of mars with a speed o...

    Text Solution

    |