Home
Class 12
PHYSICS
A solid sphere of radius 2.45m is rotati...

A solid sphere of radius `2.45m` is rotating with an angular speed of `10 rad//s`. When this rotating sphere is placed on a rough horizontal surface then after sometime it starts pure rolling. Find the linear speed of the sphere after it starts pure rolling.

A

`36 xx 10^(6)N//C`

B

`1.8 xx 10^(6)N//C`

C

zero

D

`0.9 xx 10^(6)N//C`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CHARGES AND FIELDS

    AAKASH SERIES|Exercise Exercise-II|56 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH SERIES|Exercise PRACTICE EXERCISEX|42 Videos

  • ELECTRIC FIELD AND POTENTIAL

    AAKASH SERIES|Exercise PROBLEMS (LEVEL-II)|26 Videos

Similar Questions

Explore conceptually related problems

A ring of radius R is rotating with an angular speed omega_0 about a horizontal axis. It is placed on a rough horizontal table. The coefficient of kinetic friction is mu_k . The time after it starts rolling is.

A solid sphere of mas 2kg rolls on a table with linear speed of 1 m//s . Its total kinetic energy is

A solid sphere rolling on a rough horizontl surface with a lilner speed v collides elastically with a fixed, smooth, vertical wall. Find the speed of the sphere after it has started pure rolling in the backward direction.

A heavy solid sphere is thrown on a horizontal rough surface with initial velocity u without rolling. What will be its speed, when it starts pure rolling motion ?

A solid sphere is thrown on a horizontal rough surface with initial velocity of centre of mass V_0 without rolling. Velocity of its centre of mass when its starts pure rolling is

A solid homogeneous sphere is moving on a rough horizontal surface, partily rolling and partially sliding. During this kind of motion of the sphere.

A solid sphere rolling on a rough horizontal surface. Acceleration of contact point is zero. A solid sphere can roll on the smooth surface.

A solid sphere of mass 5 kg and and radius 1 m after rotating with angular speed omega_(0)=40 rad//s is placed between two smooth walls on a rough ground. Distance between the walls is slightely greater than the diameter of the sphere. Coffiecient of friction between the sphere and the ground is mu=0.1 . sphere will stop rtotating after time t = ...........s .

A ring of radius R is first rotated with an angular velocity omega and then carefully placed on a rough horizontal surface. The coefficient of friction between the surface and the ring is mu . Time after which its angular speed is reduced to half is

A solid sphere of radius r is rolling on a horizontal surface. The ratio between the rotational kinetic energy and total energy.

AAKASH SERIES-ELECTRIC CHARGES AND FIELDS-Practice Exercise
  1. Two point charges q(A)= 3mu C and q(B) = - 3muC are located 20cm apart...

    Text Solution

    |

  2. The displacement bar(r ) of a charge Q in an electric field E= e(1) ha...

    Text Solution

    |

  3. A solid sphere of radius 2.45m is rotating with an angular speed of 10...

    Text Solution

    |

  4. A 0.50 gm ball carries a charge of magnitude 10mu C. It is suspended b...

    Text Solution

    |

  5. Two equal and opposite charges of magnitude 0.2 mu C are 15 cm apart, ...

    Text Solution

    |

  6. Three charges each of +4mu C are the corners B, C, D of a square ABCD ...

    Text Solution

    |

  7. There are n electrons of charge on a drop of oil of density rho. It is...

    Text Solution

    |

  8. The electrons in a particle beam each have a kinetic energy of 1.6 xx ...

    Text Solution

    |

  9. Two charged particles having masses in the ratio 2: 3 and charges in t...

    Text Solution

    |

  10. ABC is an equilateral triangle. Charges +q are placed at each corner. ...

    Text Solution

    |

  11. An alpha particle is situated in an electric field of 10^(6)N//C. The ...

    Text Solution

    |

  12. Four charges of +q, +q, +q and +q are placed at the corners A, B, C an...

    Text Solution

    |

  13. The electric intensity due to a dipole of length 10 cm and having a ch...

    Text Solution

    |

  14. An electric, dipole consisting of two opposite charges of 2 xx 10^(-6)...

    Text Solution

    |

  15. A molecule with a dipole moment p is placed in an electric field of st...

    Text Solution

    |

  16. An electric dipole of dipole moment p is placed in the position of sta...

    Text Solution

    |

  17. For dipole q=2 xx 10^(-6) C and d = 0.01 m, calculate the maximum torq...

    Text Solution

    |

  18. An electric dipole of moment p is placed normal to the lines of force ...

    Text Solution

    |

  19. A dipole consisting of +10 nC and -10 nC separated by a distance of 2c...

    Text Solution

    |

  20. The number of electric lines of force originating from a charge of 1C ...

    Text Solution

    |