Home
Class 11
PHYSICS
Mass remaining constant, if the earth su...

Mass remaining constant, if the earth suddenly contracts to one third of its present radius, the length of the day would be shorted by

Promotional Banner

Topper's Solved these Questions

  • System of particles & rotational Motion

    SL ARORA|Exercise EXERCISE|353 Videos

  • ROTATIONAL MOTION

    SL ARORA|Exercise Problem for self practice|90 Videos

  • Thermal Properties of Matter

    SL ARORA|Exercise Exercise|449 Videos

Similar Questions

Explore conceptually related problems

If the earth suddenly contracts by one-fourth of its present radius, by how much would the day be shortened?

If the earth suddenly contracts to one third of its present size, calculate by how much would the day be shortened ?

Density remaining constant, if earth contracts to half of its present radius, duration of the day would be (in minutes)

If the radius of earth contracts 1/n of its present day value, the length of the day will be approximately

Imagine that the earth suddenly contracts to one-third of its present radius, without any external torque on it. By what duration the day on the earth will decrease considering the earth to be a perfect solid sphere.

If the earth expands suddenly to twice its diamteter, what would be the length of the day ?

How much decrease will occur in duration of day if earth contracts to one third of its present radius?

If the earth suddenly charges its radius x times the present value, the new period of rotation would be

If the earth suddenly shrinks (without changing and half of its present radius , the acceleration due to gravity be

SL ARORA-System of particles & rotational Motion-EXERCISE
  1. Define mechanical advantage of a lever.

    Text Solution

    |

  2. Unit of moment of inertia in MKS system

    Text Solution

    |

  3. Mass remaining constant, if the earth suddenly contracts to one third ...

    Text Solution

    |

  4. What are the differences between internal and external sources of recr...

    Text Solution

    |

  5. Define centre of gravity.

    Text Solution

    |

  6. The centre of mass of a system of particle is at the origin the number...

    Text Solution

    |

  7. Give an expression for the velocity and acceleration of the centre of ...

    Text Solution

    |

  8. Assertion : If there is no external torque on a body about its centre ...

    Text Solution

    |

  9. Statement-1 : Total linear momentum of system in centre of mass frame ...

    Text Solution

    |

  10. What will be the total linear momentum of a system of particles in a r...

    Text Solution

    |

  11. A double star is a system of two stars of masses m and 2m, rotating ab...

    Text Solution

    |

  12. Centre of mass of the earth-moon system lies

    Text Solution

    |

  13. On what factors does the position of cm of a rigid body depend ?

    Text Solution

    |

  14. Define moment of force or torque.

    Text Solution

    |

  15. State the principle of moments.

    Text Solution

    |

  16. Angular momentum is

    Text Solution

    |

  17. The relation between the torque tau and angular momentum L of a body o...

    Text Solution

    |

  18. Starting from the definition of angular momentum in terms of position ...

    Text Solution

    |

  19. The radius of gyration of a body depends upon

    Text Solution

    |

  20. On what factors does the radius of gyration of a body depend ?

    Text Solution

    |