Home
Class 11
PHYSICS
The angular displacement of a particle i...

The angular displacement of a particle is given by `theta =t^3 + t^2 + t +1` then, its angular velocity at `t=2` sec is …… `rad s^(-1)`

A

27

B

17

C

15

D

16

Text Solution

Verified by Experts

The correct Answer is:
B
` omega = (d theta)/(dt)`
Promotional Banner

Topper's Solved these Questions

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    NARAYNA|Exercise EXERCISE - I(H.W)|63 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    NARAYNA|Exercise EXERCISE - II (C.W)|60 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    NARAYNA|Exercise C.U.Q|71 Videos

  • SYSTEM OF PARTICLES

    NARAYNA|Exercise Level-VI|78 Videos

  • THERMAL PROPERTIES OF MATTER

    NARAYNA|Exercise LEVEL - II (H.W.)|19 Videos

Similar Questions

Explore conceptually related problems

The angular displacement of a particle is given by theta =t^3 + t^2 + t +1 then,the angular acceleration of the particle at t=2 sec is ……. rad s^(-2)

The angular displacement of particle (in radian) is given by theta=t^(2) + t . Calculate angular velocity at t=2 second.

The angular displacement of a particle is given by theta = t^4 +t^3 +t^2 +1 where ‘t’ is time in seconds. Its angular velocity after 2 sec is

The angular displacement of a particle is given by theta = t^3 + 2t +1 , where t is time in seconds. Its angular acceleration at t=2s is

If displacements of a particle varies with time t as s = 1/t^(2) , then.

The displacement of a particle at time t is given by s= 2t^(3) -5t^(2)+ 4t-3 . Find the velocity when t = 2 sec.

The angular velocity of a particle is given by omega=1.5t-3t^(@)+2 , Find the time when its angular acceleration becomes zero.

The displacement of a particle in time t is given by s=2t^2-3t+1 . The acceleration is

The angular displacement of a particle is given by theta=omega_(0)t+(1)/(2) alpha^(2), "and" alpha are constatnt velocity at time, t=2 sec will be ("in" rad//sec)-

NARAYNA-SYSTEM OF PARTICLES AND ROTATIONAL MOTION -EXERCISE - I (C.W)
  1. The angle between the vectors (hat i + hat j + hat k) and ( hat i - ha...

    Text Solution

    |

  2. The average angular velocity of the seconds hand of a watch if the sec...

    Text Solution

    |

  3. The angular displacement of a particle is given by theta =t^3 + t^2 + ...

    Text Solution

    |

  4. A body rotating with uniform angular acceleration covers 100 pi (radia...

    Text Solution

    |

  5. A body rotates about a fixed axis with an angular acceleration of 3 ra...

    Text Solution

    |

  6. A wheel starts from rest and acquires an angular velocity of 60 rad//...

    Text Solution

    |

  7. Two moving particles P and Q are 10 apart at any point . Velocity o...

    Text Solution

    |

  8. Two particle move in concentio cireles of radii r(1) and r(2) such tha...

    Text Solution

    |

  9. A stationary wheel starts rotating about its own axis at uniform rate ...

    Text Solution

    |

  10. A table fan , rotating at a speed of 2400 rpm is switched off and th...

    Text Solution

    |

  11. If vec(F) = 2hat(i) - 3hat(j) N and vec(r ) = 3hat(i) + 2hat(j) m t...

    Text Solution

    |

  12. A door 1.6 m wide requires a force of 1 N to be applied at the free an...

    Text Solution

    |

  13. A weightless rod is acted on by upward parallel forces of 2 N and 4N e...

    Text Solution

    |

  14. The mass of a uniform circular ring of radius 0.2m is 0.1kg. Calcuate ...

    Text Solution

    |

  15. Two bodies of mass 1 kg and 2 kg are attached to the ends of a 2 me...

    Text Solution

    |

  16. If the radius of gyration of a solid disc of mass 10 kg about an axis ...

    Text Solution

    |

  17. A hoop of mass 500gm & radius 10cm is placed on a nail, then the momen...

    Text Solution

    |

  18. The ratio of moments of inertia of two solid spheres of same mass but ...

    Text Solution

    |

  19. The radius of a solid sphere is R and its density D. When it is made t...

    Text Solution

    |

  20. Three particles of masses 1gm, 2gm & 3gm are at 1cm, 2cm & 3cm from th...

    Text Solution

    |