Home
Class 12
PHYSICS
What would be the angular speed of earth...

What would be the angular speed of earth, so that bodies lying on equator may experience weightlessness ?
( g = `10m//s^(2)` and radius of earth = 6400 km)

A

`1.25 xx 10^(-3) "rad"//"sec"`

B

`1.25 xx 10^(-2) "rad"//"sec"`

C

`1.25 xx 10^(-4) "rad"//"sec"`

D

`1.25 xx 10^(-1) "rad"//"sec"`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • FLUID MECHANICS

    DISHA|Exercise physics|28 Videos

  • HEAT TRANSFER AND NEWTONS LAW OF COOLING

    DISHA|Exercise physics|30 Videos

Similar Questions

Explore conceptually related problems

Find the angular speed of earth so that a body lying at 30^(@) latitude may become weightless.

What should be the angular speed of earth in radian/second so that a body of 5 kg weights zero at the equator? [Take g = 10 m//s^2 and radius of earth = 6400 km]

The angular speed of earth is "rad s"^(-1) , so that the object on equator may appear weightless, is (radius of earth = 6400 km)

What is the time period of rotation of the earth around its axis so that the objects at the equator becomes weightless? ( g=9.8 m//s^2 , radius of the earth =6400km )

If weight of an object at pole is 196 N then weight at equator is [ g = 10 m/s^2 , radius of earth = 6400 Km]

Suppose the earth increases it speed of rotation. At what new time period will the weight of a body on the equator becomes zero ? (Take, g = 10 ms^(-2) and radius of earth R = 6400 km)

In order to make the weight of a 5kg body to zero at the equator. The angular speed of the earth would must be (take, g = 10m//s^(2) and radius of the earh, R = 6400 km)

What is the angular speed of rotation about its polar axis, so that the bodies on its equator would fell no weight? ( g=9.8 m//s^(2),R=6.4xx10^(6)m)

Suppose the earth increases its speed of rotation . At what new time period will the weightof a body on the equator becomes zero? Take g=10 m/s^2 and radius of the earth R=6400 km .

DISHA-GRAVITATION-Physics
  1. Mass M is split into two parts m and (M-m), which are then separated b...

    Text Solution

    |

  2. What would be the angular speed of earth, so that bodies lying on equa...

    Text Solution

    |

  3. Determine the speed with which the earth would have to rotate on its a...

    Text Solution

    |

  4. A planet whose size is the same and mass 4 times as that of Earth, fin...

    Text Solution

    |

  5. Two bodies of mass 10^(2) kg and 10^(3) kg are lying 1 m apart . The...

    Text Solution

    |

  6. A particle of mass 'm' is raised to a height h = R from the surface of...

    Text Solution

    |

  7. Four particles, each of mass M and equidistant from each other, move a...

    Text Solution

    |

  8. Three particles, each of mass m, are situated at the vertices of equil...

    Text Solution

    |

  9. What will be acceleration due to gravity on the surface of the moon if...

    Text Solution

    |

  10. The change in the value of g at a height h above the surface of the ea...

    Text Solution

    |

  11. At what height above the earth's surface the acceleration due to gravi...

    Text Solution

    |

  12. If the radius of the earth were to shrink by one percent its mass rema...

    Text Solution

    |

  13. At what height above the earth’s surface does the force of gravity dec...

    Text Solution

    |

  14. A particle hanging from a spring stretches it by 1 cm at earth's surfa...

    Text Solution

    |

  15. The percentage change in the acceleration of the earth towards the Sun...

    Text Solution

    |

  16. The radius and mass of Earth are R and M. The acceleration due to grav...

    Text Solution

    |

  17. The masses and radii of the Earth and the Moon are M1, R1 and M2,R2 re...

    Text Solution

    |

  18. With what velocity must a body be thrown upward form the surface of th...

    Text Solution

    |

  19. Two concentric shells of mass m(1) and m(2) are situated as shown. Fin...

    Text Solution

    |

  20. What is the mass of the planet that has a satellite whose time period ...

    Text Solution

    |