Home
Class 11
PHYSICS
A ball moving with a speed of 9m//s stri...

A ball moving with a speed of `9m//s` strikes an identical ball at rest, such that after the collision, the direction of each ball makes an angle of `30^(@)` with the original line of motion. Find the speeds of the two balls after collision.

Text Solution

Verified by Experts

The correct Answer is:
`3 sqrt3 m s^(-1)`, No
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION, FREE BODY DIAGRAM

    NN GHOSH|Exercise Exercise (B)|34 Videos

  • LAWS OF MOTION, FREE BODY DIAGRAM

    NN GHOSH|Exercise Exercise (B)|34 Videos

  • KINETIC THEORY OF GASES

    NN GHOSH|Exercise All Questions|24 Videos

  • MOMENT, TORQUE, EQUILIBRIUM OF BODIES

    NN GHOSH|Exercise Exercises|33 Videos

Similar Questions

Explore conceptually related problems

A ball moving with a speed of 9ms^(-1) strikes an identical ball such that after the collision the direction of each ball makes and angle 30^@ with the original line of motion. Find the speeds of the two balls after the collision.

A ball moving with a speed of 10" m s"^(-1) strikes an identical ball such that after the collision the direction of each ball makes an angle 45^(@) with the original line of motion. Find the speeds of the two balls after the collision.

A ball , moving with a speed of 10 sqrt(3) m//s , strikes an identical stationary ball such that after the collision , the direction of each ball makes an angle of 30^(@) with the original line of motion. The speeds of two balla after the collision are , respectively.

A ball moving with velocity of 6 m/s strikes an identical stationary ball. After collision each ball moves at an angle of 30^(@) with the original line of motion. What are the speeds of the balls after the collision ?

A ball moving with a velocity 12m/s strikes an identical ball at rest.After collision both balls move in directions making 30^(0) with original direction of motion.speeds of the balls after collision are (in ms^(-1) ) ?

A ball A moving with a velocity 5 m/s collides elastically with another identical ball at rest such that the velocity of A makes an angle of 30^(@) with the line joining the centres of the balls. Then consider following statements : (A) Balls A an B move at right angles after collision (B) kinetic energy is conserved (C) speed of A after collision is (5/2) m/s (D) speed of B after collision is ( 5sqrt(3)//2 ) m/s Select correct alternative :-

NN GHOSH-LAWS OF MOTION, FREE BODY DIAGRAM-Exercise (A)
  1. A block of mass 3kg which is on a smooth inclined plane making angie o...

    Text Solution

    |

  2. How can you lower a 100-kg body from the roof of a house using a cord...

    Text Solution

    |

  3. A machine gun fires 50-g bullets at a speed of 1000 m/s . The gunner ...

    Text Solution

    |

  4. A block slides down a frictionless incline kept on the floor of a cham...

    Text Solution

    |

  5. A railroad flatcar of mass M can roll without friction along a straigh...

    Text Solution

    |

  6. A box is put on the platform of a spring balance which is adjusted to...

    Text Solution

    |

  7. A scale is adjusted to zero . Particles fall from a height h = 250 m ...

    Text Solution

    |

  8. An electron of mass m is involved in head-on collision with an atom of...

    Text Solution

    |

  9. Two bodies 1 and 2 of masses m and M are kept slightly separated . A t...

    Text Solution

    |

  10. A steel ball weighting 1 kg is fastened to a cord 1 m long and is rele...

    Text Solution

    |

  11. An elevator (a lift ) is moving up at the speed of 2 m/s in a shaft . ...

    Text Solution

    |

  12. An elevator is provided with a weighing machine ( making use of princi...

    Text Solution

    |

  13. A projectile of mass 50 kg is projected vertically upwards with a velo...

    Text Solution

    |

  14. A ball strikes an identical ball with velocity 50 m/s and after the co...

    Text Solution

    |

  15. A cord is tied at one end to a sprind balance of weight 3 kg supportin...

    Text Solution

    |

  16. A ball moving with a speed of 9m//s strikes an identical ball at rest,...

    Text Solution

    |

  17. A plumb bob hanging from the ceiling of railroad car acts as an accel...

    Text Solution

    |

  18. Show that in the case of an elastic collision between a particle of ma...

    Text Solution

    |

  19. A 6000 - kg rocket is set for firing . If the exhaust speed is 1000 ms...

    Text Solution

    |

  20. A machine gun is mounted on a flat railroad car . The gun is firing bu...

    Text Solution

    |