Home
Class 12
PHYSICS
The escape velocity for a planet is v(e)...

The escape velocity for a planet is `v_(e)`. A tunnel is dug along a diameter of the planet and a small body is dropped into it at the surface. When the body reaches the centre of the planet, its speed will be

A

`upsilon_(0)`

B

`(upsilon_(e))/(sqrt()2)`

C

`(upsilon_(e))/(2)`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF MATTER,FLUIDS

    D MUKHERJEE|Exercise Type 2|35 Videos

  • PRACTICE WORKSHEET 3

    D MUKHERJEE|Exercise Matrix-Matching Type|1 Videos

  • SOUND WAVES

    D MUKHERJEE|Exercise All Questions|48 Videos

Similar Questions

Explore conceptually related problems

A tunnel is dug along a diameter of the planet. A particle is dropped into it at the surface. The particle reaches the centre of the planet with speed v. If v_(e) is the escape velocity from the surface fo the planet, then-

The escape velocity for a body projected from a planet depends on

The escape velocity from a planet is v_(0) . The escape velocity from a planet having twice the radius but same density will be

The escape velocity from a planet is v_(0) The escape velocity from a planet having twice the radius but same density will be

The escape velocity for a planet is v_e . A particle is projected from its surface with a speed v . For this particle to move as a satellite around the planet.

The escape velocity of a body from the earth is V_(e) . The escape velocity of a planet whose mass and radius are twice those of the earth is

Does the escape velocity of a body depend on the density of a planet?

Does the escape velocity of a body depend on the density of a planet ?

Escape velocity on a planet is e v . If radius of the planet remains same and mass becomes 4 times, the escape velocity becomes

D MUKHERJEE-PROPERTIES OF MATTER,FLUIDS-Type 2
  1. The escape velocity for a planet is v(e). A tunnel is dug along a diam...

    Text Solution

    |

  2. A n object is weighed at the North Pole by a beam balance and a spring...

    Text Solution

    |

  3. Let omega be the angular velocity of the earth's rotation about its ax...

    Text Solution

    |

  4. Use the assumptions of the previous question. An object weighed by a s...

    Text Solution

    |

  5. A double star is a system of two stars of masses m and 2m, rotating ab...

    Text Solution

    |

  6. Three point masses are at the corners of an equilateral traingle of si...

    Text Solution

    |

  7. For a planet moving around the sun in an elliptical orbit, which of th...

    Text Solution

    |

  8. The escape velocity for a planet is ve. A particle starts from rest at...

    Text Solution

    |

  9. The escape velocity for a planet is v(e). A particle is projected from...

    Text Solution

    |

  10. If a satellite orbits as close to the earth's surface as possible,

    Text Solution

    |

  11. For a satellite to orbit around the earth, which of the following must...

    Text Solution

    |

  12. A satellite close to the earth is in orbit above the equator with a pe...

    Text Solution

    |

  13. A satellite is to be geo-stationary, which of the following are essent...

    Text Solution

    |

  14. Two small satellies move in a circular orbits around the earth, at dis...

    Text Solution

    |

  15. Let S be an imaginary closed surface enclosing mass m.Let dvec(S) be a...

    Text Solution

    |

  16. A small mass m is moved slowly from the surface of the earth to a heig...

    Text Solution

    |

  17. A solid sphere of uniform density and radius 4 units is located with i...

    Text Solution

    |

  18. The magnitude of the gravitational field at distance r(1) and r(2) fro...

    Text Solution

    |

  19. An elastic metal rod will change its length when it

    Text Solution

    |

  20. The wires A and B shown in Fig. are made of the same material and have...

    Text Solution

    |

  21. A body of mass M is attached to the lower end of a metal wire, whose u...

    Text Solution

    |