Home
Class 11
PHYSICS
A vehicle starts from rest and moves at ...

A vehicle starts from rest and moves at uniform acceleration such that its velocity increases by `3ms^(-1)` per every second. If diameter of wheel of that vehicle is `60 cm`, the angular acceleration of wheel is (in `rads^(-1)`)

A

`5`

B

`10`

C

`15`

D

`20`

Text Solution

Verified by Experts

The correct Answer is:
B

`alpha=a/r`
Promotional Banner

Topper's Solved these Questions

  • SYSTEM OF PARTICLES

    NARAYNA|Exercise Level-V|72 Videos
  • SYSTEM OF PARTICLES

    NARAYNA|Exercise Level-VI|78 Videos
  • SYSTEM OF PARTICLES

    NARAYNA|Exercise Level -I(H.W)|58 Videos
  • PHYSICAL WORLD

    NARAYNA|Exercise C.U.Q|10 Videos
  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    NARAYNA|Exercise EXERCISE - IV|39 Videos
NARAYNA-SYSTEM OF PARTICLES-Level -II(H.W)
  1. The magnitude of two vectors which can be represented in the form i+j(...

    Text Solution

    |

  2. A proton of velocity (3hati+2hatj) ms^(-1) enters a field of magnetic ...

    Text Solution

    |

  3. A vehicle starts from rest and moves at uniform acceleration such that...

    Text Solution

    |

  4. Starting from rest the fly wheel of a motor attains an angular velocit...

    Text Solution

    |

  5. A ceiling fan is rotating about its own axis with uniform angular velo...

    Text Solution

    |

  6. A wheel has a speed of 1200 revolution per minute and is made to slow ...

    Text Solution

    |

  7. A particle of mass 1 kg is projected with an initial velocity 10 ms^(-...

    Text Solution

    |

  8. A uniform meter scale of mass 1kg is placed on table such that a part ...

    Text Solution

    |

  9. A heavy wheel of radius 20 cm and weight 10 kg is to be dragged over a...

    Text Solution

    |

  10. Two discs one of density 7.2 g//cm^(3) and the other of density 8.9g//...

    Text Solution

    |

  11. The mass of a circular ring is M and its radius is R. Its moment of in...

    Text Solution

    |

  12. Two circular rings each of mass M and radius R are attached to each o...

    Text Solution

    |

  13. The moment of inertia of a thin square plate of mass 1.2 kg is 0.2 kg...

    Text Solution

    |

  14. Three point masses m(1), m(2) and m(3) are located at the vertices of ...

    Text Solution

    |

  15. From a uniform wire, two circular loops are made (i) P of radius r and...

    Text Solution

    |

  16. The moment of inertia of a uniform thin rod of length L and mass M abo...

    Text Solution

    |

  17. Two small spheres of mass 5kg and 15 kg are joined by a rod of length ...

    Text Solution

    |

  18. Ratio of densities of materials of two circular discs of same mass and...

    Text Solution

    |

  19. M.I. of a uniform horizontal solid cylinder of mass M about an axis pa...

    Text Solution

    |

  20. A circular disc of radius R and thickness R//6 has moment of inertia I...

    Text Solution

    |