Home
Class 11
PHYSICS
Suppose a narrow smooth circular tunnel ...

Suppose a narrow smooth circular tunnel of radius r is dug inside earth(radius=R) If a particle moves along that tunnel with constant speed without touching its surface then time period of rotation is

A

`2pisqrt(R/g)`

B

`2pisqrt(r/g)`

C

`(2piR)/sqrt(gr)`

D

`(2pir)/sqrt(gr)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELASTICITY

    PATHFINDER|Exercise QUESTION BANK|139 Videos

  • HYDROSTATICS, VISCOSITY AND SURFACE TENSION (HYDRODYNAMICS)

    PATHFINDER|Exercise QUESTION BANK|198 Videos

Similar Questions

Explore conceptually related problems

Assume that the earth moves around the sun in a circular orbit of radius R and there exists a planet which also moves around the sun in a circular orbit with an angular speed twice as large as that of the earth. The radius of the orbit of the planet is

The earth rotates around the sun in a circular orbit of radius R. Calculate the orbital speed of rotation of the earth around the sun. Also find the time period of rotation. Take the mass of the earth =m, mass of the sum =M.

A particle of mass m is rotated in a circular path of radius r under the influence of a force F=-k/(r^2) , where k is a constant. Find the total energy of the particle.

A particle is moving with a uniform speed v in a circular path of radius r with the centre at O. When the particle moves from a point P to Q on the circle such that anglePOQ= theta , then the magnitude of the change in velocity is

A cyclist is moving along a curvature of radius r at a constant speed v. The angle made by the cyclist with the vertical plane is

PATHFINDER-GRAVITATION-QUESTION BANK
  1. A satellite of mass m is launched from the surface of earth to a circu...

    Text Solution

    |

  2. A small body of superdense material whose mass is twice the mass of th...

    Text Solution

    |

  3. Suppose a narrow smooth circular tunnel of radius r is dug inside eart...

    Text Solution

    |

  4. A narrow tunnel is dug along a diameter of earth .(mass M and radius R...

    Text Solution

    |

  5. Suppose earth is a solid sphere of radius R made of a material of dens...

    Text Solution

    |

  6. A particle is fired vertically from the surface of the earth with a ve...

    Text Solution

    |

  7. Let omega be the angular velocity of the earth's rotation about its ax...

    Text Solution

    |

  8. Two small satellites move in circular orbits around the earth at dista...

    Text Solution

    |

  9. Six identical particles each of mass m are moving symmetrically along ...

    Text Solution

    |

  10. Consider two satellites A and B oof equal mass m moving in same circul...

    Text Solution

    |

  11. The gravitational potential changes from 20Jkg^(-1) to -40Jkg^(-1) as ...

    Text Solution

    |

  12. Two objects of masses m and 4m are at rest at an infinite separation ....

    Text Solution

    |

  13. A small mass m is moved slowly from the surface of earth to a height h...

    Text Solution

    |

  14. A satellite moves in an elliptical orbit about the earth The minimum a...

    Text Solution

    |

  15. The magnitude of the gravitational field at distance r1 and r2 from th...

    Text Solution

    |

  16. Three point masses lie at the corners at an equilateral triangle of s...

    Text Solution

    |

  17. A solid sphere of mass M and radius r is placed concentrically inside ...

    Text Solution

    |

  18. This question has statement and statement II of the four choices given...

    Text Solution

    |

  19. This question has statement and statement II of the four choices given...

    Text Solution

    |

  20. This question has statement and statement II of the four choices given...

    Text Solution

    |