Home
Class 12
PHYSICS
A wheel completes 2000 revolutions to co...

A wheel completes 2000 revolutions to cover the 9.5 km. distance. then the diameter of the wheel is

A

1.5 m

B

1.5 cm

C

7.5 cm

D

7.5 m

Text Solution

Verified by Experts

The correct Answer is:
A
Distance covered in 'n' revolution`=n 2 pi r=nrpiDimplies 2000 pi D =9500 [As n=2000,distance=9500 m]`
`implies D=(95000)/(2000xxpi)=1.5 m`.
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 wheel completes 2000 revolutions to cover the 9.5km distance , then the diameter of the wheel is

A bicycle wheel makes 5000 revolutions in moving 11 km. Find the circumference and the diameter of the wheel.

The wheels of a car make 2500 revolutions in covering a distance of 4.95 km. Find the diameter of a wheel.

A wheel makes 1000 revolutions in covering a distance of 88km. Find the radius of the wheel.

In making 1000 revolutioins, a wheel covers 88 km. The diameter of the wheel is

If the driving wheel of a bicycle makes 560 revolutions in travelling 1.1 km. Find the diameter of the wheel :

NIKITA PUBLICATION-CIRCULAR MOTION-Multiple Choice Question
  1. The second 's hand of a watch has length 6 cm. Speed of end point and ...

    Text Solution

    |

  2. A particle comes round a circle of radius 1 m once. The time taken b...

    Text Solution

    |

  3. A wheel completes 2000 revolutions to cover the 9.5 km. distance. the...

    Text Solution

    |

  4. A belt passes over a wheel of radius 25 cm. If a point on the belt has...

    Text Solution

    |

  5. Two bodies of masses 8 kg and 4 kg are moving in concentric circular o...

    Text Solution

    |

  6. A stone tied to the end of a 20 cm long string is whriled in a horizon...

    Text Solution

    |

  7. A disc of radius 0.1 m starts from rest with an angular acceleration o...

    Text Solution

    |

  8. The acceleration of a body moving round a curve of radius 160 m at 20 ...

    Text Solution

    |

  9. The ratio of angular speeds of minutes hand and seconds hand in a watc...

    Text Solution

    |

  10. A wheel increases its speed from 60 rpm to 120 rpm in 10 s. Number of ...

    Text Solution

    |

  11. A particle is moving along a circle of radius 3 m .If its centripetal ...

    Text Solution

    |

  12. A particle tied to a string of negligible weight and length l is swung...

    Text Solution

    |

  13. Two racing cars of masses m(1) and m(2) are moving in circles of radii...

    Text Solution

    |

  14. A body is revoving with a constant speed along a circle. If its direct...

    Text Solution

    |

  15. The force acts ona particle perfoming uniform circular motion and whic...

    Text Solution

    |

  16. The centripetal force in magnitude and direction is given by

    Text Solution

    |

  17. The direction of centripetal acceleration or radian acceleration

    Text Solution

    |

  18. A stone tied at the end of sring is whirled in a circle. If the string...

    Text Solution

    |

  19. If the earth revolves round the sun in a circular orbit, then the nece...

    Text Solution

    |

  20. Centripetal force is a real force because its origing can

    Text Solution

    |