Home
Class 11
PHYSICS
The escape velocity for a body projected...

The escape velocity for a body projected vertically upwards from the surface of earth is `11 km s^-1`. If the body is projected at an angle of `45^@` with the vertical, the escape velocity will be

A

`11 km s^-1`

B

`11sqrt3 km s^-1`

C

`11/sqrt3 km s^-1`

D

`33 km s^-1`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Transfer of heat

    MODERN PUBLICATION|Exercise Exercise|27 Videos

  • Unit test - Properties of bulk matter

    MODERN PUBLICATION|Exercise Example|130 Videos

Similar Questions

Explore conceptually related problems

A body is projected in vertically upwards direction with a speed u. Find the time taken

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

Velocity of a body reaching the point from which it was projected upwards is

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.

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

MODERN PUBLICATION-Unit Test - Gravitation-Example
  1. A particle of mass M is situated at the centre of a spherical shell of...

    Text Solution

    |

  2. The escape velocity of a particle of mass m varies directly as

    Text Solution

    |

  3. The escape velocity for a body projected vertically upwards from the s...

    Text Solution

    |

  4. The escape velocity of a body on the surface of the earth is 11.2kms^-...

    Text Solution

    |

  5. The escape velocity on the surface of earth is 11.2 km s^-1 . What wou...

    Text Solution

    |

  6. With what velocity should an object be projected from the surface of t...

    Text Solution

    |

  7. the earth is assumed to be a sphere of radius R. A platform is arrange...

    Text Solution

    |

  8. The radii of circular orbits of two satellites A and B of the earth ar...

    Text Solution

    |

  9. A satellite A of mass m is at a distance r from the centre of the eart...

    Text Solution

    |

  10. The mean radius of earth is R, its angular speed about its own axis is...

    Text Solution

    |

  11. A satellite is moving in an orbit of radius raround the earth. Find th...

    Text Solution

    |

  12. Two knights of the earth S1 and S2 are moving in the same orbit. The ...

    Text Solution

    |

  13. A roller coaster is designed such that riders experience weightlessnes...

    Text Solution

    |

  14. A man of 50 kg standing in a gravity free space at a height of 10 m ab...

    Text Solution

    |

  15. Plot the graph of g w.rt. distance from centre of earth

    Text Solution

    |

  16. The dependence of the acceleration due to gravity g distance r from th...

    Text Solution

    |

  17. A particle is projected vertically upward from the ground. It crosses ...

    Text Solution

    |

  18. A particle of mass M is situated at the centre of a spherical shell of...

    Text Solution

    |

  19. A particle of mass m is thrown upwards from the surface of the earth, ...

    Text Solution

    |

  20. The additional kinetic energy to be provided to a plate of mass m revo...

    Text Solution

    |