Home
Class 12
PHYSICS
A particle is projected up a 45^(@) roug...

A particle is projected up a `45^(@)` rough incline with a velocity v. The coeffciient of friciton is 0.5. The speed with which it returns back to the starting point is v'. Then v' `//`v is `:`

A

`sqrt( 2) //sqrt( 3)`

B

`1//sqrt( 3)`

C

`1//2`

D

`1//sqrt(2)`

Text Solution

Verified by Experts

The correct Answer is:
2
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    VMC MODULES ENGLISH|Exercise IMPECCABLE|53 Videos

  • LAWS OF MOTION

    VMC MODULES ENGLISH|Exercise ENABLE|50 Videos

  • KINEMATICS OF A PARTICLE

    VMC MODULES ENGLISH|Exercise JEE Advanced (archive)|14 Videos

  • LIQUIDS

    VMC MODULES ENGLISH|Exercise JEE ADVANCED (LEVEL -2)|55 Videos

Similar Questions

Explore conceptually related problems

A particle is projected directly along a rough plane of inclination theta with velocity u. If after coming to the rest the particle returns to the starting point with velocity v, the coefficient of friction between the partice and the plane is

A particle of mass m is projected upword with velocity v=(v_(e))/(2) ( v_(e)) escape of the particle is

A particle is projected with a velocity u making an angle theta with the horizontal. At any instant its velocity becomes v which is perpendicular to the initial velocity u. Then v is

The fig. shows the v-t graph of a particle moving in straight line. Find the time when particle returns to the starting point.

If a charged particle is projected on a rough horizontal surface with speed v_(0) . Find the value of dynamic coefficient of friction, if the kinetic energy of system is constant.

A body is projected up along the rough inclined plane from the bottom with some velocity. It travels up the incline and then returns back. If the time of ascent is t_(a) and time of descent is t_(d) then

A particle is projected with velocity V for point O of particle makes 10 revolutions before coming out. Find l.

A particle is projected with a speed v_(0) = sqrt(gR) . The coefficient of friction the particle and the hemi- spherical plane is mu = 0.5 Then , the acceleration of the partical is

A particle of charge q is projected from point P with velocity v as shown. Choose the correct statement from the following.

A sphere of radius R is projected with a reverse spin omega_(0) down a rough inclined plane with a speed v_(0) for which coefficient of friction is mu gt tantheta , where theta is angle of the inclination. Show that it will turn back if omega gt (5v_(0)mu)/(2R(mu-tantheta))

VMC MODULES ENGLISH-LAWS OF MOTION -EFFICIENT
  1. A ball of mass 0.5 kg moving with a velocity of 2 m//s strikes a wall ...

    Text Solution

    |

  2. A body of mass 10 kg is being acted upon by a force 3t^2 and an opposi...

    Text Solution

    |

  3. A particle is projected up a 45^(@) rough incline with a velocity v. T...

    Text Solution

    |

  4. A 1000 kg lift is supported by a cable that can support 2000 kg. The s...

    Text Solution

    |

  5. A block of mass 200kg is being pulled by mean on an inclined plane at ...

    Text Solution

    |

  6. A block of mass 50 kg can slide on a rough horizontal surface. The coe...

    Text Solution

    |

  7. A circketer catches a ball of mass 150 g in 0.1 s moving with speed 20...

    Text Solution

    |

  8. A force F1 acts on a particle so as to accelerate it from rest to a ve...

    Text Solution

    |

  9. A boy of mass M is applying a horizontal force to slide a box of mass ...

    Text Solution

    |

  10. A book is lying on the table. What is the angle belween the action of ...

    Text Solution

    |

  11. A block is kept on the floor of an elevator at rest. The elevator star...

    Text Solution

    |

  12. The ratio of the weight of a man in a stationary lift and when it is m...

    Text Solution

    |

  13. A small cart with a sphere suspended from ceiling by a string is movin...

    Text Solution

    |

  14. While walking on ice, one should take small steps to avoid sliping. Th...

    Text Solution

    |

  15. A spring of force constant k is cut into two pieces such that one piec...

    Text Solution

    |

  16. A body is moving with a velocity 5m//s along a striaght line.A force o...

    Text Solution

    |

  17. Tension in the cable supporting an elevator, is equal to the weight of...

    Text Solution

    |

  18. Two masses m and m' are tied with a thread passing over a pulley, m' i...

    Text Solution

    |

  19. A body of mass 60 kg is dragged with just enough force to start movin...

    Text Solution

    |

  20. Physical independence of force is a Consequcnce of

    Text Solution

    |