Home
Class 12
PHYSICS
A particle is rotating about a fixed axi...

A particle is rotating about a fixed axis with angular acceleration `vecalpha = hati + 2hatj + 3hatk` rad/`s^2`. The tangential acceleration of a point having radius vector `(2hati-3hatj+hatk)`m from axis of rotation in (in m/`s^2`)

A

`-11hati-5hatj+7hatk`

B

`5hati-11hatj+7hatk`

C

`11hati+5hatj-7hatk`

D

`-5hati+11hatj+7hatk`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A particle is rotating about a fixed axis with angular acceleration vecalpha = (3hati +hatj +hatk) rad//s^2 . The tangential acceleration of a point having radius vector (2hati - hatj - hatk) m from axis of rotation is (in m/s^2 )

A particle is rotating about a fixed axis with angular acceleration vec alpha = (3hat i +hat j +hat k) rad/s^2 . The tangential acceleration of a point having radius vector ( 2 hat i-hat j -hat k) m from axis of rotation is (in m/s^2 )

The componant of vector 2 hati -3 hatj +2hatk perpendicular to the vector hati + -3 hatj + hatk is-

The angular velocity of a particle is vec(w) = 4hati + hatj - 2hatk about the origin. If the position vector of the particle is 2hati + 3hatj - 3hatk , then its linear velocity is

The points with position vectors 5hati + 5hatk, -4hati + 3hatj - hatk and 2hati +hatj + 3hatk

The vector equation of a line passing through the point hati + 2hatj + 3hatk and perpendicular to the vectors hati +hatj + hatk and 2hati - hatj + hatk is

Find the torque of a force F=a(hati+2hatj+3hatk) N about a point O. The position vector of point of application of force about O is r=(2hati+3hatj-hatk) m .

AAKASH INSTITUTE-TEST 4-EXAMPLE
  1. A thin ring of mass m and radius R is in pure rolling over a horizonta...

    Text Solution

    |

  2. A ring is rolling without slipping. The ratio of translational kinetic...

    Text Solution

    |

  3. The moment of inertia of a cube of mass M and edge length a about an a...

    Text Solution

    |

  4. The moment of inertia of a solid sphere of radius R about an axis pass...

    Text Solution

    |

  5. A hollow sphere rolls down a rough inclined plane whose angle of incli...

    Text Solution

    |

  6. A body of mass m is projected with a velocity u at an angle theta with...

    Text Solution

    |

  7. A particle of mass 300 g is moving with a speed of 20 ms^-1 along the ...

    Text Solution

    |

  8. A cubical block of edge length 1 m and density 800 kg m^-3 rests on a ...

    Text Solution

    |

  9. A body is thrown from ground for horizontal range 100 m. If the body b...

    Text Solution

    |

  10. A body is in pure rolling over a horizontal surface. If the rotational...

    Text Solution

    |

  11. A particle is rotating about a fixed axis with angular acceleration ve...

    Text Solution

    |

  12. Two discs A and B have same mass and same thickness. If d1 and d2 are ...

    Text Solution

    |

  13. The rotational inertia of a disc about its axis is 0.70 kg m^2. When a...

    Text Solution

    |

  14. A force vecF = (hati+hatj-hatk)N acts at a point P(3 m, 6 m, 9 m). The...

    Text Solution

    |

  15. A block is attached to each end of a rope that passes over a pulley su...

    Text Solution

    |

  16. The angular velocity of a wheel rotating with constant angular acceler...

    Text Solution

    |

  17. A person is standing on a rotating platform, with his arms at his side...

    Text Solution

    |

  18. A wheel initially has an angular velocity of 18 rad/s. It has a costan...

    Text Solution

    |

  19. For a body to be in equilibrium under the combined action of several f...

    Text Solution

    |

  20. The SI unit of "Angular Impulse" is

    Text Solution

    |