Home
Class 12
PHYSICS
A wheel having a diameter of 3 m starts ...

A wheel having a diameter of 3 m starts from rest and accelerates uniformly to an angular velocity of 210 r.p.m. in 5 seconds. Angular acceleration of the wheel is

A

1.4 `pi (rad)/(s^(2))`

B

`3.3 pi (rad)/(s^(2))`

C

`2.2 pi (rad)/(s^(2))`

D

`1.1 pi (rad)/(s^(2))`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CIRCULAR MOTION

    MOTION|Exercise EXERCISE - 2|16 Videos

  • CIRCULAR MOTION

    MOTION|Exercise EXERCISE - 3 SECTION -A|14 Videos

  • CIRCULAR MOTION

    MOTION|Exercise EXERCISE - 4|16 Videos

  • CENTRE OF MASS

    MOTION|Exercise Exercise - 4 Level-II|20 Videos

  • COMMUNICATION SYSTEM

    MOTION|Exercise EXERCISE - 3|6 Videos
MOTION-CIRCULAR MOTION-EXERCISE -1
  1. The second's hand of a watch has length 6 cm. Speed of end point and m...

    Text Solution

    |

  2. If angular velocity of a disc depends an angle rotated theta as omega=...

    Text Solution

    |

  3. A wheel having a diameter of 3 m starts from rest and accelerates unif...

    Text Solution

    |

  4. A wheel is subjected to uniform angular acceleration about its axis. I...

    Text Solution

    |

  5. The linear and angular acceleration of a particle are 10 m/"sec"^(2) a...

    Text Solution

    |

  6. A grinding wheel attained a velocity of 20 rad/sec in 5 sec starting f...

    Text Solution

    |

  7. A wheel starts rotating at 10 rad/sec and attains the angular velocity...

    Text Solution

    |

  8. A stone of mass m is tied to a string of length l and rotated in a cir...

    Text Solution

    |

  9. In uniform circular motion

    Text Solution

    |

  10. A particle completes 3 revolutions per second on a circular path of ra...

    Text Solution

    |

  11. A particle is moving along a circular path of radius 6 m with uniform ...

    Text Solution

    |

  12. The earth, radius 6400 km, makes one revolution about its own axis in ...

    Text Solution

    |

  13. A car is travelling with linear velocity v on a circular road of radiu...

    Text Solution

    |

  14. A spot light S rotates in a horizontal plane with a constant angular v...

    Text Solution

    |

  15. Two moving particles P and Q are 10 m apart at a certain instatn. The ...

    Text Solution

    |

  16. If the radius of curvature of the path of two particles of same masses...

    Text Solution

    |

  17. What happens to the centripetal acceleration of a revolving body if yo...

    Text Solution

    |

  18. If the speed of a body in uniform circular motion and radius of circul...

    Text Solution

    |

  19. A stone of mass 0.5 kg tied with a string of length 1 metre is moving ...

    Text Solution

    |

  20. The breaking tension of a string is 10 N. A particle of mass 0.1 kg ti...

    Text Solution

    |