Home
Class 11
PHYSICS
A body of mass m is placed on the earth ...

A body of mass `m` is placed on the earth surface is taken to a height of `h=3R`, then, change in gravitational potential energy is

A

`2/3 mgR`

B

`3/4 mgR`

C

`(mgR)/2`

D

`(mgR)/4`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    ERRORLESS |Exercise Motion of Satellite|67 Videos

  • GRAVITATION

    ERRORLESS |Exercise Kepler’s Laws of Planetary Motion|51 Videos

  • GRAVITATION

    ERRORLESS |Exercise Acceleration Due to Gravity|87 Videos

  • FRICTION

    ERRORLESS |Exercise MCQ S|125 Videos

  • MOTION IN ONE DIMENSION

    ERRORLESS |Exercise Motion In One Dimension|24 Videos

Similar Questions

Explore conceptually related problems

A body of mass 2 m is placed one earth's surface. Calculate the change in gravitational potential energy, if this body is taken from earth's surface to a height of h, where h=4R.

A body of mass m is placed on the earth's surface . It is taken from the earth's surface to a height h = 3 R when R is the radius of the earth. The change in gravitational potential energy of the body is

A body of mass m is taken from earth surface to the height h equal to radius of earth, the increase in potential energy will be

A body of mass m is taken from the earth's surface to the height equal to twice the radius (R) of the earth.The change in potential energy of body will be

A body of mass m is lifted from the surface of earth of height equal to R//3 where R is the radius of earth, potential energy of the body increases by

A body of mass m is lifted up from the surface of earth to a height three times the radius of the earth . The change in potential energy of the body is (g - gravity field at the surface of the earth )

A body of mass 'm' is raised from the surface fo the earth to a height 'nR'( R -radius of the earth). Magnitude of the change in the gravitational potential energy of the body is ( g -acceleration due to gravity on the surface of the earth)

A body of mass m is placed at the centre of the spherical shell of radius R and mass M. The gravitation potential on the surface of the shell is

A body of mass of 20 kg is at rest on the earth's surface. (i) Find its gravitational potential energy. (ii) Find the kinetic energy to be provided to the body to make it free from the gravitational influenece of the earth. (g=9.8m//s^(2), R=6400km)

ERRORLESS -GRAVITATION-Gravitation Potential, Energy and Escape Velocity
  1. The gravitational potential energy of a body of mass ‘ m ’ at the eart...

    Text Solution

    |

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

    Text Solution

    |

  3. A body of mass m is placed on the earth surface is taken to a height o...

    Text Solution

    |

  4. A body of mass m kg starts falling from a point 2R above the earth's s...

    Text Solution

    |

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

    Text Solution

    |

  6. Energy required to move a body of mass m from an orbit of radius 2R to...

    Text Solution

    |

  7. The kinetic energy needed to project a body of mass m from the eath su...

    Text Solution

    |

  8. Radius of orbit of satellite of earth is R. Its kinetic energy is prop...

    Text Solution

    |

  9. In some region, the gravitational field is zero. The gravitational pot...

    Text Solution

    |

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

    Text Solution

    |

  11. Gas escapes from the surface of a planet because it acquires an escape...

    Text Solution

    |

  12. v(e) and v(p) denotes the escape velocity from the earth and another p...

    Text Solution

    |

  13. The escape velocity of a sphere of mass m is given by

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  16. A missile is launched with a velocity less than the escape velocity. T...

    Text Solution

    |

  17. If g is the acceleration due to gravity at the earth's surface and r i...

    Text Solution

    |

  18. The escape velocity of a projectile from the earth is approximately

    Text Solution

    |

  19. The escape velocity of a body depeds upon mass as

    Text Solution

    |

  20. For the moon to cease to remain the earth's satellite, its orbital vel...

    Text Solution

    |