Home
Class 11
PHYSICS
Escape velocity of a body 1 kg mass on a...

Escape velocity of a body `1 kg` mass on a planet is `100 ms^(-1)`. Gravitational potential energy of the body at that planet is

A

`-5000J`

B

`-1000J`

C

`-2400J`

D

5000 J

Text Solution

Verified by Experts

The correct Answer is:
A
`PE=-(1/2mv_e^2)=(-1)/2xx1xx(100)^2`
`=-5000J`
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Motion of Satellite)|46 Videos

  • GRAVITATION

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Kepler’s Laws of Planetary Motion)|27 Videos

  • GRAVITATION

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Acceleration Due to Gravity)|39 Videos

  • FRICTION

    ERRORLESS|Exercise ASSERTION & REASON |8 Videos

  • KINETIC THEORY OF GASES

    ERRORLESS|Exercise ASSERTION AND REASON |16 Videos

Similar Questions

Explore conceptually related problems

Escape velocity of a body of 1 g mass on a planet is 100 m/sec . Gravitational Potential energy of the body at the planet is

Gravitational Potential Energy| Escape velocity

Find the gravitational potential energy of a body of mass 200 kg on the earth's surface.

The escape velocity for a body of mass 10 kg on a planet P is 11.2 km//s . What will be escape velocity at the same planet for a body of mass 20 kg ?

The escape velocity for a planet is 20 km//s . Find the potential energy of a particle of mss 1 kg on the surface of this planet.

The mass and diameter of a planet are half of thast of the earth. The ratio of gravitational potential energy of a body on the surface of the planet to that on the surface of the earth is

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

ERRORLESS-GRAVITATION-NCERT BASED QUESTIONS (Gravitation Potential, Energy and Escape Velocity)
  1. A rocket is fired from inside a deep mine, so as to escape the earth’s...

    Text Solution

    |

  2. A particle falls towards the earth from inifinity. The velocity with w...

    Text Solution

    |

  3. The escape velocity for a rocket from earth is 11.2 km / sec . Its val...

    Text Solution

    |

  4. An artificial satellite moving in a circular orbit around the earth wi...

    Text Solution

    |

  5. The escape velocity of a planet having mass 6 times and radius 2 times...

    Text Solution

    |

  6. There are two planets. The ratio of radius of two planets is k but rat...

    Text Solution

    |

  7. Given mass of the moon is 1/81 of the mass of the earth and correspond...

    Text Solution

    |

  8. The angular velocity of rotation of star (of mass M and radius R ) at ...

    Text Solution

    |

  9. The earth is assumed to be a sphere of raduis R. A platform is arrange...

    Text Solution

    |

  10. The escape speed of a particle on the surface of the earth is 11.2km/s...

    Text Solution

    |

  11. Escape velocity on the earth

    Text Solution

    |

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

    Text Solution

    |

  13. The ratio of the radii of planets A and B is k(1) and ratio of acceler...

    Text Solution

    |

  14. A mass of 6xx10^(24) kg is to be compressed in a sphere in such a way ...

    Text Solution

    |

  15. The escape velocity for the earth is v(e). The escape velocity for a p...

    Text Solution

    |

  16. A body is projected vertically upwards from the surface of a planet of...

    Text Solution

    |

  17. The escape velocity from the earth is 11 km//s. The escape velocity fr...

    Text Solution

    |

  18. A black hole is an object whose gravitational field is so strong that ...

    Text Solution

    |

  19. An object is propelled vertically to a maximum height of 4R from the s...

    Text Solution

    |

  20. Escape velocity of a body 1 kg mass on a planet is 100 ms^(-1). Gravit...

    Text Solution

    |