Home
Class 12
PHYSICS
A block sliding down a rough 45° incline...

A block sliding down a rough 45° inclined plane has half the velocity it would have had, the inclined plane been smooth. The coefficient of sliding friction between block and the inclined plane is

A

`1/4`

B

`3/4`

C

`1/2sqrt2`

D

`1/sqrt2`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    AAKASH SERIES|Exercise PRACTICE EXERCISE|106 Videos

  • LAWS OF MOTION

    AAKASH SERIES|Exercise EXERCISE - I|157 Videos

  • GEOMETRICAL OPTICS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL-II PRACTICE SHEET (ADVANCED) INTEGER TYPE QUESTIONS)|10 Videos

  • LOGIC GATES

    AAKASH SERIES|Exercise Exercise (Very Short Answer)|10 Videos

Similar Questions

Explore conceptually related problems

A block of mass m takes time t to slide down on a smooth inclined plane of angle of inclination theta and height h. If same block slids down on a rough inclined plane of same angle of inclination and same height and takes time n times of initial value, then coefficient friction between block and inclined plane is

Starting from rest , a body slides down at 45^(@) inclined plane in twice the time it takes to slide down the same distance in the absence of friction. The coefficient of friction between the body and the inclined plane is

Starting from rest, a body slides down a 45^(@) inclined plane in twice the time it itakes to slide the same distance in the absence of friction. They the coefficient of friction between the body and the inclined plane is

The time taken by a body to slide down a rough 45^(@) inclined plane is twice that required to slide down a smooth 45^(@) inclined plane. The coefficient of kinetic friction between the object and rough plane is given by

A given object taken n time more time to slide down 45^(@) rough inclined plane as it taken to slide down a perfectly smooth 45^(@) incline The coefficient of kintic friction between the object and the incline is .

Starting from rest a body slides down a 45^(@) inclined plane in twice the time it takes to slide down the same distance in the absence of friction. The coefficient of the body and the inclined plane is :

A block kept on a rough inclined plane, as shown in the figure, remains at rest upto a maximum force 2N down the inclined plane. The maximum external force up the inclined plane that does not move the block is 10N. The coefficient of static friction between the block and the plane is : : [Taking g=10m//s^(2) ].

A block of mass m slides down a rough inclined plane with an acceleration g/2

A body takes ''n'' times as much time to slide down a rough inclined plane as it takes to slide down an identical but smooth inclined plane. If the angle of inclination of the inclined plane is ''theta'' . What is the coefficient of friction between the body and the rough plane ?

The time taken for an ice block to slide down on inclined surface of inclination 60^(@) is 1-2 times the time taken by the same ice block to slide down a frictionless inclined plane of the same inclination. Calculate the coefficient of friction between ice and the inclined plane ?

AAKASH SERIES-LAWS OF MOTION-EXERCISE - II
  1. A body takes 1(1/3) times as much time to slide down a rough inclined ...

    Text Solution

    |

  2. A block of mass 2kg is lying on a rough inclined plane. The force need...

    Text Solution

    |

  3. A block sliding down a rough 45° inclined plane has half the velocity ...

    Text Solution

    |

  4. A block is pushed up a rough inclined plane of 45°. If the time of des...

    Text Solution

    |

  5. A rod AB of length 2L and mass m is lying on a horizontal frictionless...

    Text Solution

    |

  6. A body is allowed to slide from the top along a smooth inclined plane ...

    Text Solution

    |

  7. A particle is projected at an angle theta =30^@ with the horizontal, w...

    Text Solution

    |

  8. A 30 kg block is to be moved up an inclined plane at an anglue 30° to ...

    Text Solution

    |

  9. An engine of one metric ton is going up an inclined plane, 1 in 2 at t...

    Text Solution

    |

  10. The minimum force required to move a body up an inclined plane is thre...

    Text Solution

    |

  11. A body of mass 10kg is on a rough inclined plane having an inclination...

    Text Solution

    |

  12. A block of wood of mass 0.5 kg is placed on a plane making 30° with th...

    Text Solution

    |

  13. A body of mass 'm' slides down a smooth inclined plane having an incli...

    Text Solution

    |

  14. A body is sliding down an inclined plane have coefficient of friction ...

    Text Solution

    |

  15. A particle is placed at rest inside a hollow hemisphere of radius R. T...

    Text Solution

    |

  16. A wooden box lying at rest on an inclined surface of a wet wood is hel...

    Text Solution

    |

  17. Consider a frictionless ramp on which a smooth object is made to slide...

    Text Solution

    |

  18. A body of mass 2 kg slides down with an acceleration of 3 m//s^(2) on ...

    Text Solution

    |

  19. The centripetal force required by a 1000 kg car that takes a turn of r...

    Text Solution

    |

  20. A stone of mass 0.5 kg is attached to a string of length 2 m and is wh...

    Text Solution

    |