Home
Class 12
PHYSICS
A motor cycle rides in a hollow sphere i...

A motor cycle rides in a hollow sphere in a verticle circle of radius 30 m .What will be the minimum speed required so that he does not lose contact with the surface of sphere at the highest point?

A

`5.442 km//s`

B

`17.422 cm//s`

C

`17.32 m//s`

D

`54.22 m//s`

Text Solution

Verified by Experts

The correct Answer is:
C
`v=sqrt(rg)=sqrt((30xx10))`
`=17.32`
Promotional Banner

Topper's Solved these Questions

  • ATOMS, MOLECULES AND NUCLEI

    NIKITA PUBLICATION|Exercise MCQs|443 Videos

  • COMMUNICATION SYSTEMS

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Examples for Practice)|8 Videos

Similar Questions

Explore conceptually related problems

A motorcyclist rides in vertical circles in a hollow sphere of radius 5 m. Find the required minimum speed and minimum angular speed, so that he does not lose contact with the sphere at the highest point .

A stone is tied to a weightless string and revolved in a vertical circle of radius 5 m . What should be the minimum speed of the stone at the highest point of the circle so that the string does not slack ? What should be the speed of the stone at the lowest point of vertical circle ? Take g = 9.8 ms^(2) .

A bucket tied at the end of a 1.6m long string is whirled in a verticle circle with constant speed. What should be the minimum speed so that the water from the bucket does not spill, when the bucket is at the highest position (Takeg=10m//s^(2))

The vertical section of a road over the bridge is in the from of circle of radius 15.5 m What will be the maximum velocity with which a car whose centre of gravity is 0.5 m above the ground can cross the bridge without losing contact with the surface of bridge at the highest point ? (g=9.8 m//s^(2))

Consider a case of fixed smooth sphere of radius R . A block of mass m is placed at the most poit of the sphere . A sharp impulse is applied on the block to impart it a speed v . What si the maximum possible value of v so that block does not lose contact with the sphere at the top point ?

A glass filled with water is whirled in a verticle circle of radius R what can be the minimum speed at the top of the path if water does not fall out from glass? If the glass moves with this speed, find the normal contact force the glass exerts on water at the lowest point of the path?

A motor cyclist in a circus , drives in a vertical loop inside a death well . What is the minimum speed required to complete the vertical circle , without falling down to complete the vertical circle , without falling down at the highest point , if the radius of the death well is 5 m?

In a circus, a motor cyclist goes round a vertical circle inside a spherical cage of radius 4.5 m . Calculate the minimum speed of the motor cycle inside the cage.

In a circus stuntman rides a motorbike in a circular track of radius R in the vertical plane. The minimum speed at highest point of track will be

A small body of mass m slides down from the top of a hemisphere of radius r . The surface of block and hemisphere are frictionless. The height at which the body lose contact with the surface of the sphere is

NIKITA PUBLICATION-CIRCULAR MOTION-Multiple Choice Question
  1. In the section of a bridge on a river is an arc of a circle of radius ...

    Text Solution

    |

  2. A can filled with water is revolved in vertical circle of radius 16 m ...

    Text Solution

    |

  3. A motor cycle rides in a hollow sphere in a verticle circle of radius ...

    Text Solution

    |

  4. In a cylindrical well of death , a motor cyclist rides around the inne...

    Text Solution

    |

  5. The vertical section of a road over the bridge is in the from of circl...

    Text Solution

    |

  6. A body rest on the top of a hemisphere of radius R. What will be the l...

    Text Solution

    |

  7. In a well of death, motor cycle rides round the inner wall of a hollow...

    Text Solution

    |

  8. If a body of mass 0.1 kg tied with a string of length 1 m, is rotated ...

    Text Solution

    |

  9. A bucket full of water is tied at the end of rope of length 1.6 m. It ...

    Text Solution

    |

  10. A small body of mass m slide without friction from the top of a hemisp...

    Text Solution

    |

  11. A body of mass 2 kg attached to a cord and whirled in a verticle circl...

    Text Solution

    |

  12. A body of mass 0.5 kg is whirled in a verticle circle an angular frequ...

    Text Solution

    |

  13. A boy is deated on the top of a hemispherical mound of ice of radius R...

    Text Solution

    |

  14. A body of mass m is on the top point of a smooth hemisphere of radius ...

    Text Solution

    |

  15. A body of mass 4 kg is moved in a vertical circle with sufficient spee...

    Text Solution

    |

  16. The pilot of an aircraft, who is not tied to his seat, can loop a vert...

    Text Solution

    |

  17. A stone tied to a string of length L is whirled in a vertical circle w...

    Text Solution

    |

  18. The ratio of velocities at points A,B and C in vertical circular motio...

    Text Solution

    |

  19. A can filled with water is revolved in vertical circle of radius 16 m ...

    Text Solution

    |

  20. An object of mass 2 kg is whirled rround in a verticle circle of radiu...

    Text Solution

    |