Home
Class 12
PHYSICS
The angular speed of earth's rotation ab...

The angular speed of earth's rotation about its own axis is `omega`. When its angular speed is increased to n time its original angular speed, the acceleration due to gravity at the equator becomes zero. What is the value of n?
[R is the equatorial radius of the earth]

A

Increases to n times

B

Decreases to times

C

Decreases to times

D

Rmains same

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 11

    AAKASH INSTITUTE|Exercise Example|18 Videos
  • MOCK TEST 13

    AAKASH INSTITUTE|Exercise Example|22 Videos

Similar Questions

Explore conceptually related problems

The angular speed of earth around its own axis is

The angular speed of earth around its won axis is

The angular speed of rotation of the earth is

The value of angular momentum of the earth rotating about its own axis is

The speed of earth's rotation about its axis is omega . Its speed is increased to x times to make the effective accel acceleration due to gravity equal to zero at the equator, then x is around (g= 10 ms^(-2) R = 6400 km)

The acceleration due to gravity at the latitude 45^(@) on the earth becomes zero if the angular velocity of rotation of the earth is

If the angular speed of the earth is doubled, the value of acceleration due to gravity ( g ) at the north pole

What is angular velocity of earth spinning around its own axis ?

If the speed of rotation of earth about its axis is increased,

AAKASH INSTITUTE-MOCK TEST 12-Example
  1. Which of the following statement is incorrect?

    Text Solution

    |

  2. If the mass of a revolving around the sun is doubled and its frequency...

    Text Solution

    |

  3. Which of the following statement is correct?

    Text Solution

    |

  4. Three equal masses of 1 kg each are placed at the vertices of an equil...

    Text Solution

    |

  5. Mass M is divided into two parts m1, and m2, For a given separation th...

    Text Solution

    |

  6. Acceleration due to gravity is minimum at

    Text Solution

    |

  7. If R is the radius of the earth and g the acceleration due to gravity ...

    Text Solution

    |

  8. If radius of earth decreases by 10%, then acceleration due to gravity ...

    Text Solution

    |

  9. Two particles A and B of mass 1 kg and 4 kg respectively approach each...

    Text Solution

    |

  10. The height above the earths surface at which the weight of a person be...

    Text Solution

    |

  11. At what depth from the surface of the earth, the acceleration due to g...

    Text Solution

    |

  12. Two spheres each of mass 104 kg are separated by a distance of 100 m. ...

    Text Solution

    |

  13. The angular speed of earth's rotation about its own axis is omega. Whe...

    Text Solution

    |

  14. Infinite number of masses, each of mass 3 kg are placed along the y-ax...

    Text Solution

    |

  15. A cylinder is rolling down on a inclined plane of inclination60^(@). W...

    Text Solution

    |

  16. A disc is rolling without slipping. The ratio of its rotational kineti...

    Text Solution

    |

  17. The speed of a homogeneous solid sphere after rolling down an inclined...

    Text Solution

    |