Home
Class 12
PHYSICS
The instantaneous angular position of a ...

The instantaneous angular position of a point on a rotating wheel is given by the equation
`theta(t) = 2t^(3) - 6 t^(2)`
The torque on the wheel becomes zero at

A

`t=0.5 s`

B

`t=0.25 s`

C

`t=2 s`

D

`t= 1 s`

Text Solution

Verified by Experts

The correct Answer is:
d
Promotional Banner

Topper's Solved these Questions

  • RE-NEET 2024

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise Question|50 Videos

  • SOLID AND SEMICONDUCTOR DEVICES

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise Exercise|105 Videos

Similar Questions

Explore conceptually related problems

The angular displacement at any time t is given by theta(t) = 2t^(3)-6^(2) . The torque on the wheel will be zero at

The angular position of a point over a rotating flywheel is changing according to the relation, theta = (2t^3 - 3t^2 - 4t - 5) radian. The angular acceleration of the flywheel at time, t = 1 s is

The angular position of a point on a rotating wheel is given by theta=2.0+4.0t^(2)+2.0t^(3) , where theta is in radians and t is in seconds. At t = 0, what are (a) the point's angular position and (b) its angular velocity? ( c) What is its angular velocity at t = 3.0 s? (d) Calculate its angular acceleration at t = 4.0 s. (e) Is its angular acceleration constant?

The angular position of a point on the rim of a rotating wheel is given by theta=4t^(3)-2t^(2)+5t+3 rad. Find (a) the angular velocity at t=1 s , (b) the angular acceleration at t=2 s . (c ) the average angular velocity in time interval t=0 to t=2 s and (d) the average angular acceleration in time interval t=1 to t=3 s .

A boat of mass 300 kg moves according to the equation x= 1.2t^(2) - 0.2 t^(3) . When the force will become zero ?

A angular positio of a point on the rim of a rotating wheel is given by theta=4t-3t^(2)+t^(3) where theta is in radiuans and t is in seconds. What are the angualr velocities at (a). t=2.0 and (b). t=4.0s (c). What is the average angular acceleration for the time interval that begins at t=2.0s and ends at t=4.0s ? (d). What are the instantaneous angular acceleration at the biginning and the end of this time interval?

A particle is at rest, It starts rotating about a fixed point. Its angle of rotation (theta) with time (t) is given by the relation : theta = (6t^3)/(15) - (t^2)/(2) where theta is in radian and t is seconds. Find the angular velocity and angular acceleration of a particle at the end of 6 second.

The angular velocity of a particle is given by the equation omega =2t^(2)+5rads^(-1) . The instantaneous angular acceleration at t=4 s is

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-ROTATIONAL MOTION-Exercise
  1. O is the centre of an equilateral triangle ABC. F(1), F(2) and F(3) ar...

    Text Solution

    |

  2. A particle moves in a circle of radius 5 cm with constant speed and ti...

    Text Solution

    |

  3. The instantaneous angular position of a point on a rotating wheel is g...

    Text Solution

    |

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

    Text Solution

    |

  5. A circular disc of moment of inertia I(t) is rotating in a horizontal...

    Text Solution

    |

  6. Two particle which are initially at rest move towards each other under...

    Text Solution

    |

  7. A gramphone record is revolving with an angular velocity omega. A coin...

    Text Solution

    |

  8. Four identical thin rods each of mass M and length l, from a square fr...

    Text Solution

    |

  9. Two bodies of mass 1 kg and 3 kg have position vectors hat i+ 2 hat j ...

    Text Solution

    |

  10. A thin circular ring of mass M and radius R is rotating in a horizonta...

    Text Solution

    |

  11. If vec F is the force acting in a particle having position vector vec ...

    Text Solution

    |

  12. A thin rod of length L and mass M is bent at its midpoint into two hal...

    Text Solution

    |

  13. The ratio of the radii of gyration of a circular disc to that of a cir...

    Text Solution

    |

  14. A particle of mass m moves in the XY plane with a velocity v along the...

    Text Solution

    |

  15. A wheel has angular acceleration of 3.0 rad//s^2 and an initial angula...

    Text Solution

    |

  16. A uniform rod of length l and mass m is free to rotate in a vertical p...

    Text Solution

    |

  17. A tube of length L is filled completely with an incomeressible liquid ...

    Text Solution

    |

  18. The moment of inertia of a uniform circular disc of radius R and mass ...

    Text Solution

    |

  19. Two bodies have their moments of inertia I and 2 I respectively about ...

    Text Solution

    |

  20. Three particles, each of mass m grams situated at the vertices of an e...

    Text Solution

    |