Home
Class 9
PHYSICS
A particle weighs 120 N on the surface o...

A particle weighs 120 N on the surface of the earth. At what height above the earth's surface will its weight be 30N ? Radius of the earth =6,400 km.

Text Solution

Verified by Experts

6,400 km
Promotional Banner

Topper's Solved these Questions

  • FORCE AND ACCELERATION

    HC VERMA|Exercise QUESTION BANK |52 Videos

  • MEASUREMENTS

    HC VERMA|Exercise QUESTION BANK |2 Videos

Similar Questions

Explore conceptually related problems

A man weighs 80 kg on the surface of earth of radius r . At what height above the surface of earth his weight will be 40 kg ?

A man weighs 100kg on the surface of the earth of radius R. At what height above the surface of the earth, he will weigh 50 kg?

A body weights 63 N on the surface of the earth At a height h above the surface of Earth, its weight is 28 N While at a depth h below the surface Earth, the weight is 31.5 N. The value of h is

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 )

If a man weighs 90 kg on the surface of the earth, the height above the surface of the earth of radius, R where the weight is 30 kg is

A person weighs 98 N at the surface of earth. Its mass at the centre of earth will be

A body weighs 81 N on the surface of the earth. What is the gravitational force on it due to earth at a height equal to half the radius of the earth from the surface ?

A body weighs 72 N on the surface of the earth. What is the gravitational force on it due to earth at a height equal to half the radius of the earth from the surface

A body weights 72 N on the surface of the earth. What is the gravitational force acting on it due to the earth at a height to half the radius of the earth from the surface ?

HC VERMA-GRAVITATION-QUESTION BANK
  1. Calculate the gravitational force between a 10 -kg ball and a 20-kg ba...

    Text Solution

    |

  2. Three balls A, B and C are kept in a straight line. The separation be...

    Text Solution

    |

  3. Three balls A, B and C are kept in a straight line. The separation be...

    Text Solution

    |

  4. Three balls A, B and C are kept in a straight line. The separation be...

    Text Solution

    |

  5. The acceleration due to gravity near the earth's surface is 9.8 m//s^2...

    Text Solution

    |

  6. Two particles of mass 200 g each are placed at a separation of 10 cm. ...

    Text Solution

    |

  7. A particle weighs 120 N on the surface of the earth. At what height ab...

    Text Solution

    |

  8. Suppose the earth shrinks such that its radius decreases to half the p...

    Text Solution

    |

  9. Calculate the value of the acceleration due to gravity at a place 3,20...

    Text Solution

    |

  10. The acceleration due to gravity at a place is 0.2 m//s^2. Find the hei...

    Text Solution

    |

  11. As one moves to a place 3,200 km above the earth's surface, the accele...

    Text Solution

    |

  12. A ball is dropped from a cliff. Find its speed 2 s after it is dropped...

    Text Solution

    |

  13. A ball is dropped from a cliff. Find its speed when it has fallen thro...

    Text Solution

    |

  14. A ball thrown upwards takes 4 s to reach the maximum height. Find the ...

    Text Solution

    |

  15. A stone thrown upwards attains a maximum height of 19.6 m. Find the ve...

    Text Solution

    |

  16. A wicket keeping glove is dropped from a height of 40 m and simultaneo...

    Text Solution

    |

  17. A boy on a 78.4-m-high cliff drops a stone. One second later, he throw...

    Text Solution

    |