Home
Class 12
PHYSICS
Three identical blocks A, B and C are pl...

Three identical blocks A, B and C are placed on horizontal frictionless surface. The blocks B and C are at rest. But A is approaching towards B with a speed of `10 ms^(-1)`

The coefficient of restitution for all collision is 0.5. The speed of the block C just after collision is

A

`5.6 ms ^(-1)`

B

`6 ms ^(-1)`

C

`8 ms ^(-1)`

D

`10 ms ^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 56

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NTA NEET SET 58

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

A bullte weighing 5 g and moving with a velocity 600 m//s strikes a 5 kg block of ice resting on a frictionless surface. The speed of the block after the collision is

A block of mas m moving at a velocity upsilon collides head on with another block of mass 2m at rest. If the coefficient of restitution is 1/2, find the velocities of te blocks after the collision.

A sphere A impinges directly on an identical sphere B at rest. If coefficient of restitution is e , the ratio of velocities of A and B after collision is

Block of mass m_(1) moving on a smooth horizontal surface,collides with a stationary block of mass m_(2) .The coefficient of restitution for the collision is e.The ratio (m_(1))/(m_(2)) for which m_(1) is at rest after collision is

Two blocks A and B of masses m and 2m are placed on a smooth horizontal surface. Block B is given a speed of 3m//s . Find (i) The maximum speed of A (ii) The minimum speed of B .

Four identical balls A,B, C and D are placed in a line on frictionless horizontal surface. A and D are moed with the same speed u towards the middle as shown. Assuming elastic collisions, find the final velocities.

Three blocks of identical masses are placed on a frictionless table as shown . The centre block is at rest , whereas the other two blocks are moving directly towards the stationary block with identical speed v . The centre block is initially closer to the left block than the right one . All collisions are elastic . After long time , which of the following is true .

Three blocks A, B and C each of mass m are placed on a surface as shown in the figure. Blocks B and C are initialyy at rest. Block A is moving to the right with speed v. It collides with block B and stricks to it. The A-B combination collides elastically with block C. Which of the following statement is (are) true about the velocity, of block B and C.

A buttle weighting 10 g and moving with a velocity 800 ms^(-1) strikes a 10 kg block resting on a frictionless surface. The speed of the block after the perfectly inelastic collision is approximately

NTA MOCK TESTS-NTA NEET SET 57-PHYSICS
  1. If the change in the value of g at a height h above the surface of the...

    Text Solution

    |

  2. An artificial satellite moving in circular orbit around the earth has ...

    Text Solution

    |

  3. A particle of mass m is acted upon by a force F= t^2-kx . Initially , ...

    Text Solution

    |

  4. In an experiment , to find the loss of energy with respect to time in ...

    Text Solution

    |

  5. A ball falling in a lake of depth 200 m shows a decrease of 0.1% in i...

    Text Solution

    |

  6. A capillary glass tube records a rise of 20cm when dipped in water. Wh...

    Text Solution

    |

  7. The moment of intertia of a disc about an axis passing through its cen...

    Text Solution

    |

  8. Three identical blocks A, B and C are placed on horizontal frictionles...

    Text Solution

    |

  9. A beam of alpha - particle is incident on a gold foil . Corresponding ...

    Text Solution

    |

  10. According to Bohr's theory, the time averaged magnetic field at the ce...

    Text Solution

    |

  11. The activity of a radioactive element decreases to one third of the or...

    Text Solution

    |

  12. The stopping potential as a function of the frequency of the incident ...

    Text Solution

    |

  13. According to Einstein's photoelectric equation , the graph between the...

    Text Solution

    |

  14. The following figure shows a logic gate circuit with two inputs A and ...

    Text Solution

    |

  15. In a common base transistor circuit, the current gain is 0.98. On cha...

    Text Solution

    |

  16. A common emitter transistor amplifier has a current gain of 50. If the...

    Text Solution

    |

  17. Calculate the dispersive power for crown glass from the given data m...

    Text Solution

    |

  18. The face AC of a prism ABC of refracting angle 30^@ is silvered . A r...

    Text Solution

    |

  19. A beam of light of wave length 600 nm from a distance source fall on a...

    Text Solution

    |

  20. Two polaroids are placed in the path of unpolarized beam of intensity ...

    Text Solution

    |