Home
Class 12
PHYSICS
A body starts from rest from a point dis...

A body starts from rest from a point distant `r_(0)` from the centre of the earth. It reaches the surface of the earth whose radius is `R`. The velocity acquired by the body is

A

`GM((1)/(R)-(1)/(R_(0)))`

B

`2GM((1)/(R)-(1)/(R_(0)))`

C

`sqrt(2GM((1)/(R)-(1)/(R_(0))))`

D

`2GMsqrt(((1)/(R)-(1)/(R_(0))))`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    DC PANDEY|Exercise Medical entrances gallery|37 Videos
  • INTERFERENCE AND DIFFRACTION OF LIGHT

    DC PANDEY|Exercise Level 2 Subjective|5 Videos

Similar Questions

Explore conceptually related problems

A body is released from a point of distance R' from the centre of earth. Its velocity at the time of striking the earth will be (R’gtR_(e))

The escape velocity from the surface of the earth of radius R and density rho

A body at rest starts from a point at a distance r (gtR) from the centre of the Earth. If M and R stand for the speed of the body when it reaches the Earth surface is

The escape velocity of a body from the surface of the earth is equal to

A tunnel is dug across the earth of mass 'M' and radius 'R' at a distance R//2 from the centre 'O' of the Earth as shown. A body is released from rest from one end of the smooth tunnel. The velocity acquired by the body when it reaches the centre 'C' of the tunnel is

The acceleration due to gravity is g at a point distant r from the centre of earth of radius R . If r lt R , then

The escape velocity from the surface of the earth is (where R_(E) is the radius of the earth )

The escape velocity of a body from the surface of earth is

The satellite is moving round the earth (radius of earth = R) at a distance r from the centre of the earth. If g is the acceleration due to gravity on the surface of the earth. The acceleration of the satellite will be

DC PANDEY-GRAVITATION-All Questions
  1. An infinite number of particles each of mass m are placed on the posit...

    Text Solution

    |

  2. A body starts from rest from a point distant r(0) from the centre of t...

    Text Solution

    |

  3. A hollow spherical shell is compressed to half its radius. The gravita...

    Text Solution

    |

  4. A satellite revolves in the geostationary orbit but in a direction eas...

    Text Solution

    |

  5. Two point masses of mass 4m and m respectively separated by d distance...

    Text Solution

    |

  6. A planet revolves about the sun in elliptical orbit. The arial velocit...

    Text Solution

    |

  7. Binding energy of a particle on the surface of earth is E. Kinetic ene...

    Text Solution

    |

  8. When a satellite in a circular orbit around the earth enters the atmos...

    Text Solution

    |

  9. A particel of mass M is placed at the centre of a inform spherical she...

    Text Solution

    |

  10. A particle on earth's surface is given a velocity euqal to its escape ...

    Text Solution

    |

  11. At what height from the surface of the earth, the total energy of sate...

    Text Solution

    |

  12. Two earth-satellite are revolving in the same circular orbit round the...

    Text Solution

    |

  13. A hole is drilled from the surface of earth to its centre. A particle ...

    Text Solution

    |

  14. Three particles of equal mass 'm' are situated at the vertices of an e...

    Text Solution

    |

  15. A planet has a mass of eight time the mass of earth and denisity is al...

    Text Solution

    |

  16. The work done in slowly lifting a body from earth's surface to a heigh...

    Text Solution

    |

  17. The magnitude of gravitational potential energy of the moon earth sys...

    Text Solution

    |

  18. Three uniform spheres each of mass m and diameter D are kept in such a...

    Text Solution

    |

  19. Consider a thin uniform spherical layer of mass M and radius R. The po...

    Text Solution

    |

  20. Figure shows the variation of energy with the orbit radius r of a sate...

    Text Solution

    |