Home
Class 12
PHYSICS
A spherical ball A of mass 4 kg, moving ...

A spherical ball A of mass 4 kg, moving along a straight line strikes another spherical ball B of mass 1 kg at rest. After the collision, A and B move with velocities `v_(1)ms^(-1)` and `v_(2)ms^(-1)` respectively making angles of `30^(@)` and `60^(@)` with respect to the original direction of motion of A. The ratio `(v_(1))/(v_(2))` will be

A

`(sqrt3)/(4)`

B

`(4)/(sqrt3)`

C

`(1)/(sqrt3)`

D

`sqrt3`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2012

    WB JEE PREVIOUS YEAR PAPER|Exercise Subject: Physics|38 Videos

  • QUESTION PAPER 2011

    WB JEE PREVIOUS YEAR PAPER|Exercise PHYSICS|39 Videos

  • QUESTION PAPER 2013

    WB JEE PREVIOUS YEAR PAPER|Exercise Category-III|5 Videos

Similar Questions

Explore conceptually related problems

Find the velocity of the centre of mass of two identical particles moving with velocities v_(1) and v_(2) .

A body of mass m moving with a velocity u strikes elastically a stationary body of mass 2m . After the elastic collision the bodies move with velocities v and V respectively . Show that the body of mass m loses 8/9 part of its initial kinetic energy.

A body of mass in moving with a velocity u strikes elastically a stationary body of mass 2m. After 'the elastic collision 'the bodies move with velocities v and V respectively. Show that the body of mass m loses 8/9 part of its initial kinetic energy

Two bodies of masses 5 kg and 10 kg move towards each other with velocities 10 m*s^(-1) and 14 m*s^(-1) respectively. If the coefficient of restitution is 0.8, find their velocities after the collision.

The law or motion of a body moving along a straight line is x=(1)/(2)vt, x being its distance from a fixed point on the line at time t and v is its velocity there. Then

A spherical body collision head-on with another identical spherical body at rest. If the coefficient of restitution is e, show that the ratio of their velocities after collision is (1-e):(1+e) .

A body of mass m moving with velocity V along the X-axis, collides with another mass M moving with velocity v along the Y-axis. The masses coalesce after collision. Find the velocity and the direction of motion of the combined mass.

A Shell of mass 10 Kg is moving with a velocily of 10 Meter/Sec when it blasts and forms two parts of mass 9 kg and 1 kg respectively. If the 1st mass is stationary the velocity of the 2nd is

A particle A of mass m and initial velocity v collides with a particle of B of mass m/2 which is at rest. The collision is head-on and elastic. The ratio of the de Broglie wavelengths lamda_(A) "to" lamda_(B) after collision is

WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2012-Subject: Physics
  1. If the velocity of light in vacuum is 3xx10^(8)ms^(-1), the time taken...

    Text Solution

    |

  2. A charge +q is placed at the origin of X-Y axes as shown in the figure...

    Text Solution

    |

  3. What current will flow through the 2 KOmega resistor in the circuit sh...

    Text Solution

    |

  4. In a region, the intensity of an electric field is given by vecE=2hati...

    Text Solution

    |

  5. The dimension of angular momentum is

    Text Solution

    |

  6. If vecA=vecB+vecC and vecA,vecB,vecC have scalar magnitudes of 5, 4, 3...

    Text Solution

    |

  7. A particle is travelling along a straight line OX. The distance x (in ...

    Text Solution

    |

  8. A particle is projected from the ground with a kinetic energy E at an ...

    Text Solution

    |

  9. A bullet on penetrating 30 cm into its target loses its velocity by 50...

    Text Solution

    |

  10. When a spring is stretched by 10 cm, the potential energy stored is E....

    Text Solution

    |

  11. Average distance of the Earth from the Sun is L(1). If one year of the...

    Text Solution

    |

  12. A spherical ball A of mass 4 kg, moving along a straight line strikes ...

    Text Solution

    |

  13. When a certain metal surface is illuminated with light of frequency v,...

    Text Solution

    |

  14. Three blocks of mass 4 kg, 2 kg, 1 kg respectively are in contact on a...

    Text Solution

    |

  15. Let L be the length and d be the diameter of cross section of a wire. ...

    Text Solution

    |

  16. An object placed in front of a concave mirror at a distance of x cm fr...

    Text Solution

    |

  17. 22320 cal of heat is supplied to 100 g of ice at 0^(@)C. If the latent...

    Text Solution

    |

  18. A progressive wave moving along x-axis is represented by y=Asin[(2pi)/...

    Text Solution

    |

  19. Two radioactive substances A and B have decay constants 5lamda and lam...

    Text Solution

    |

  20. A magnetic needle is placed in a uniform magnetic field and is aligned...

    Text Solution

    |