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

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    RESONANCE ENGLISH|Exercise EXERCISE-1 PART-3|2 Videos

  • GRAVITATION

    RESONANCE ENGLISH|Exercise EXERCISE-2 PART-1|15 Videos

  • GRAVITATION

    RESONANCE ENGLISH|Exercise EXERCISE-1 PART-1|9 Videos

  • GEOMATRICAL OPTICS

    RESONANCE ENGLISH|Exercise Advance level Problems|35 Videos

  • NUCLEAR PHYSICS

    RESONANCE ENGLISH|Exercise Advanced level solutions|16 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))

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

A body projected from the surface of the earth attains a height equal to the radius of the earth. The velocity with which the body was projected is

An asteroid of mass m (m lt lt m_E) is approaching with a velocity 12 km/s when it is at distance of 10 R from the centre of earth (where R is radius of earth). When it reaches at the surface of Earth, its velocity is (Nearest Integer) in km/s

The distance of geostationary satellite from the centre of the earth (radius R) is nearest to

Gravitational potential at a height R from the surface of the earth will be [Take M = mass of the earth, R = radius of the earth]

A man weighs 'W' on the surface of the earth and his weight at a height 'R' from surface of the earth is ( R is Radius of the earth )

RESONANCE ENGLISH-GRAVITATION-EXERCISE-1 PART-2
  1. Two blocks of masses m each are hung from a balances as shown in the f...

    Text Solution

    |

  2. Three particales P,Q and R are placedd as per given Masses of P,Q and ...

    Text Solution

    |

  3. Three particle each of mass m, are located at the vertices of an equil...

    Text Solution

    |

  4. Let gravitation field in a space be given as E = - (k//r) If the refer...

    Text Solution

    |

  5. Gravitational field intensity at the centre of the semi circle formed ...

    Text Solution

    |

  6. Infinite number of bodies, each of mass 2kg are situated on X-axis at ...

    Text Solution

    |

  7. Two concentric shells of uniform density of mass M(1) and M(2) are sit...

    Text Solution

    |

  8. Figure show a hemispherical shell having uniform mass density The dire...

    Text Solution

    |

  9. Mass M is uniformly distributed only on curved surface of a thin hemis...

    Text Solution

    |

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

    Text Solution

    |

  11. Three equal masses each of mass 'm' are placed at the three-corner of ...

    Text Solution

    |

  12. Three equal masses each of mass 'm' are placed at the three-corner of ...

    Text Solution

    |

  13. Three identical particles each of mass M are placed at the corners of ...

    Text Solution

    |

  14. Three equal masses each of mass 'm' are placed at the three-corner of ...

    Text Solution

    |

  15. A satellite is revolving round the earth in circular orbit

    Text Solution

    |

  16. An artificial satellite of the earth releases a packet. If air resista...

    Text Solution

    |

  17. Figure shows the variation of energy E with the orbit radius r of a sa...

    Text Solution

    |

  18. A planet of mass m moves around the sun of mass M in an elliptical orb...

    Text Solution

    |

  19. The escape velocity from the earth is 11.2km//s. If a body is to be pr...

    Text Solution

    |

  20. If accleration due to gravity on the surface of earth is 10ms^(-2) and...

    Text Solution

    |