Home
Class 12
PHYSICS
An astronaut weighs 70 kg on the earth. ...

An astronaut weighs 70 kg on the earth. If he is inside a satellite revolving in circular orbit around the earth at the height of 3200 km, he would weight `" "`(Radius of earth = 6400 km)

A

26 kg

B

140 kg

C

`70sqrt2` kg

D

zero

Text Solution

Verified by Experts

The correct Answer is:
d

In a orbiting satellite. Filling of weightless is zero.
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    NIKITA PUBLICATION|Exercise Multiple Choice Questions|458 Videos
  • INTERFERENCE AND DIFFRACTION

    NIKITA PUBLICATION|Exercise MULTPLE CHOICE QUESTIONS|333 Videos

Similar Questions

Explore conceptually related problems

The weight of an astronaut, in an artificial satellite revolving around the earth, is

Find the velocity of a satellite at height 80 km from earth. If the radius of earth is 6400 km

Satellite revolving around the earth at a height of 400 Km above the earth's surface has a time period of about

A satellite whose mass is M , is revolving in circular orbit of radius r around the earth. Time of revolution of satellite is

An artificial satellite circled around the earth at a distance of 3400 km. Calculate its orbital velocity and period of revolution. Radius of earth =6400 km and g=9.8 ms^(-2) .

What will be velocity of a satellite revolving around the earth at a height h above surface of earth if radius of earth is R :-

If g on the surface of the earth is 9.8m//s^(2) , its value at a height of 6400 km is (Radius of the earth =6400 km)

The speed of a satellite that revolves around earth at a height 3R from earth's surface is ( g=10 m//s^(2) at the surface of earth, radius of earth R=6400 km ) in kms^(-1)

A satellite circled around the earth at a distance of 100 km. Determine its orbital velocity, if the radius of the earth is 6400 km and g = 9.8 ms^(-2) .

NIKITA PUBLICATION-GRAVITATION-Multiple Choice Questions
  1. Weightlessness experienced while orbiting the earth in space-ship, is ...

    Text Solution

    |

  2. Astronauts in a stable orbit around the earth are said to be in a weig...

    Text Solution

    |

  3. An astronaut weighs 70 kg on the earth. If he is inside a satellite re...

    Text Solution

    |

  4. A body is projected up with a velocity equal to 3//4th of the escape v...

    Text Solution

    |

  5. The orbit of a geostationary satellite is

    Text Solution

    |

  6. To have an earth satellite synchronous with the rotation of the earth,...

    Text Solution

    |

  7. A geostationary satellite

    Text Solution

    |

  8. The redius of the earth is R. For a satellite to appear stationary, it...

    Text Solution

    |

  9. A geo-stationary satellite has an orbital period of

    Text Solution

    |

  10. The mean radius of earth is R, its angular speed on its own axis is w ...

    Text Solution

    |

  11. If R is the radius of a planet and g is the acceleration due to gravit...

    Text Solution

    |

  12. According to Kepler, the period of revolution of a planet ( T ) and it...

    Text Solution

    |

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

    Text Solution

    |

  14. The ratio of the radius of the earth to that of moon is 10. The ratio ...

    Text Solution

    |

  15. A geo-stationary satellite has an orbital period of

    Text Solution

    |

  16. The radius of a planet is 1/4 of earth’s radius and its acceleration d...

    Text Solution

    |

  17. Which of the following graph depicts relation between time period (T) ...

    Text Solution

    |

  18. The escape velocities on the two planets of denities rho(1) and rho(2)...

    Text Solution

    |

  19. How much energy will be needed for a body of mass 100kg to escape from...

    Text Solution

    |

  20. The distance between centre of the earth and moon is 384000 km . If th...

    Text Solution

    |