Home
Class 12
PHYSICS
The wheel of a car is rotating at the ra...

The wheel of a car is rotating at the rate of 1200 revolutions per minute. On pressing the accelerator for 10 seconds, it starts rotating at 4500 revolutions per minute. The angular acceleration of the wheel is

A

`30 rad//sec^(2)`

B

`1880 degree//sec^(2)`

C

`40 rad//sec^(2)`

D

`1980 degree//sec^(2)`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

DISHA-ROTATIONAL MOTION-physics
  1. A horizontal force F is applied such that the block remains stationary...

    Text Solution

    |

  2. In a bicycle the radius of rear wheel is twice the radius of front whe...

    Text Solution

    |

  3. The wheel of a car is rotating at the rate of 1200 revolutions per min...

    Text Solution

    |

  4. A wheel rotates with a constasnt acceleration of 2.0rad/s^2. If the wh...

    Text Solution

    |

  5. A child is standing with folded hands at the center of a platform rota...

    Text Solution

    |

  6. Two uniforms discs of equal mass but unequal radii are mounted on fixe...

    Text Solution

    |

  7. Consider a cylinder of mass M=1 kg and radius R=1 mlying on a rough ho...

    Text Solution

    |

  8. Consider a cylinder of mass M=1 kg and radius R=1 mlying on a rough ho...

    Text Solution

    |

  9. Consider a cylinder of mass M=1 kg and radius R=1 mlying on a rough ho...

    Text Solution

    |

  10. Statement -1 : Torque is equal to rate of change of angular momentum ....

    Text Solution

    |

  11. Statement -1: Torque due to force is maximum when angle between vec r ...

    Text Solution

    |

  12. Statement -1: It is harder to open and shut the door if we apply force...

    Text Solution

    |

  13. Five particles of mass 2 kg are attached to the rim of a circular disc...

    Text Solution

    |

  14. Two discs of the same material and thickness have radii 0.2 m and 0.6 ...

    Text Solution

    |

  15. A cylinder of 500 g and radius 10 cm has moment of inertia (about its ...

    Text Solution

    |

  16. A constant torque of 31.4 N-m id exterted on a pivoted wheel. If the a...

    Text Solution

    |

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

    Text Solution

    |

  18. The moment of inertia of a sphere of mass M and radius R about an axis...

    Text Solution

    |

  19. Four particles each of mass m are placed at the corners of a square of...

    Text Solution

    |

  20. The radius of gyration of a disc of mass 50 g and radius 2.5 cm, about...

    Text Solution

    |