Home
Class 11
PHYSICS
A wheel which is initially at rest is su...

A wheel which is initially at rest is subjected to a constant angular acceleration about its axis. It rotates through an angle of `15^@` in time t sec. The increase in angle through which it rotates in the next 2t sec is

A

`90^(@)`

B

`120^(@)`

C

`30^(@)`

D

`45^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH SERIES|Exercise PRACTICE EXERCISE|99 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH SERIES|Exercise Exercise-I|143 Videos

  • SURFACE TENSION

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (PRACTICE SHEET (ADVANCED) INTEGER TYPE QUESTIONS )|8 Videos

  • THERMAL PROPERTIES OF MATTER

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL - II) PRACTICE SHEET (ADVANCED) Integer/Subjective Type Questions|2 Videos

Similar Questions

Explore conceptually related problems

A wheel is subjected to uniform angular acceleration about its axis. Initially its angular velocity is zero, In the first 2s, it rotates through an angle theta_(1) , In the next 2s, it routes through an additional angle theta_(2) . The ratio of (theta_(2))/(theta_(1))

A vector sqrt(3)hati + hatj rotates about its tail through an angle 30^(@) in clock wise direction then the new vector is

A rigid body rotates about a fixed axis with variable angular velocity equal to alpha-betat , at time t where alpha, beta are constants. The angle through which it rotates before its stops:

A stationary wheel starts rotating about its own axis at constant angular acceleration. If the wheel completes 50 rotations in first 2 seconds, then the number of rotations made by itin next two seconds is

AAKASH SERIES-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-Exercise-II
  1. If the velocity of a rotating body of mass 50 kg is given by bar(V)=3b...

    Text Solution

    |

  2. If the Earth shirnks such that its density becomes 8 times to the pres...

    Text Solution

    |

  3. A point sized sphere of mass .m. is suspended from a point using a str...

    Text Solution

    |

  4. Two rigid bodies have same angular momentum about their axes of symmet...

    Text Solution

    |

  5. One end of a uniform rod of mass m and length l is clamped. The rod li...

    Text Solution

    |

  6. A cubical block of mass M and edge a slides down a rough inclined plan...

    Text Solution

    |

  7. A particle of mass m is moving yz-plane with a uniform velocity v with...

    Text Solution

    |

  8. A mass m is supported by a massless string wound around a uniform holl...

    Text Solution

    |

  9. A wheel which is initially at rest is subjected to a constant angular ...

    Text Solution

    |

  10. A car is negotiating a curved road of radius R. The road is banked at ...

    Text Solution

    |

  11. A solid cylinder of mass 50kg and radius 0.5m is free to rotate about ...

    Text Solution

    |

  12. A solid sphere rolls down without slipping from rest on a 30^(@) incli...

    Text Solution

    |

  13. A hollow shpere rolls down a 30^(@) incline of length 6m without slipp...

    Text Solution

    |

  14. For a body rolling along a level surface, the translational and rotati...

    Text Solution

    |

  15. A ring and a disc of same mass roll without slippling along a horizont...

    Text Solution

    |

  16. When a hollow sphere is rolling without slipping on a rough horizontal...

    Text Solution

    |

  17. A small object of uniform density roll up a curve surface with an init...

    Text Solution

    |

  18. Two smooth and similar right angled prisms are arranged on a smooth ho...

    Text Solution

    |

  19. A thin uniform circular disc of mass M and radius R is rotating in a h...

    Text Solution

    |

  20. Three identical uniform thin metal rods from the three sides of an equ...

    Text Solution

    |