Home
Class 12
PHYSICS
A body of mass 1 kg initially at rest, e...

A body of mass `1 kg` initially at rest, explodes and breaks into three fragments of masses in the ratio `1 : 1 : 3`. The two pieces of equal mass fly off perpendicular to each other with a speed of `15 m s^(-1)` each. What is the velocity of the heavier fragment?

A

5 m/s

B

15 m/s

C

45 m/s

D

`5sqrt(2)` m/s

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    AAKASH INSTITUTE|Exercise Assignment (SECTION-B)|44 Videos
  • LAWS OF MOTION

    AAKASH INSTITUTE|Exercise Assignment (SECTION-C)|63 Videos
  • LAWS OF MOTION

    AAKASH INSTITUTE|Exercise EXERCISE|70 Videos
  • KINETIC THEORY

    AAKASH INSTITUTE|Exercise EXERCISE (ASSIGNMENT) SECTION - D Assertion - Reason Type Questions|10 Videos
  • MAGNETISM AND MATTER

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION D)|26 Videos

Similar Questions

Explore conceptually related problems

A body of mass 1 kg initially at rest explodes and breaks into three fragments of masses in the ratio 1: 1: 3. The two pieces of equal mass fly off perpendicular to each other with a speed of 30 ms^(-1) each. What is velocity of the heavier fragment?

A bomb of mass 5 m initially at rest explodes and breaks into three pieces of masses in the ratio 1 : 1 : 3 . The two pieces of equal mass fly off perpendicular to each other with a speed of v_(0) . What is the velocity of the heavier piece? Also , calculate the energy released in explosion.

A body of mass 1kg initially at rest explodes and breaks into three parts of masses in the ration 1: 2: 3. If the two pieces of equal masses fly off perpendicular to each other with a speed of 30m//s The speed of third piece will be .

A body of mass 1kg initially at rest explodes and breaks into threee fragments of masses in the ration breaks into three fragments of masses in the ration 1: 1: 3 . The two pieces of equal masses fly off perpendicular to each other with a speed of 30m//s each What is the velocity of heavier fragments ? .

A body of mass 1 kg at rest explodes into three fragments of masses in the ratio 1 : 1 : 3 . The two pieces of equal mass fly in mutually perpendicular directions with a speed of 30 m//s each . What is the velocity of the heavier fragment ?

A body of mass 5 kg explodes at rest into three fragments with masses in the ratio 1 : 1 : 3. The fragments with equal masses fly in mutually perpendicular directions with speeds of 21 m/s . The velocity of the heaviest fragment will be

A body of mass 5 kg explodes at rest into three fragments with masses in the ratio 1 : 1 : 3. The fragments with equal masses fly in mutually perpendicular directions with speeds of 21 m/s. The velocity of the heaviest fragment will be -

A shell of mass m is at rest initially. It explodes into three fragments having masses in the ratio 2:2: 1. The fragments having equal masses fly off along mutually perpendicular directions with speed v. What will be the speed of the third (lighter) fragment ?

A mass3in,initially at rest at the origin, explodes into three fragments of equal mass. Two of the fragments have speed v each and move perpendicular to each other. The third fragment will, move with a speed.

A body of mass explodes at rest break up into three parts.If two parts having equal masses fly off perpendicularly to each other with a velocity of 18 m//s , then calculate the velocilty of the third part which has a mass 3 times the mass of each part.

AAKASH INSTITUTE-LAWS OF MOTION-Assignment (SECTION-A)
  1. A surface is hit elastically and normally by n bals per unit time, all...

    Text Solution

    |

  2. A particle of mass m strikes a wall with speed v at an angle 30^(@) wi...

    Text Solution

    |

  3. A body of mass 1 kg initially at rest, explodes and breaks into three ...

    Text Solution

    |

  4. A 6 kg bomb at rest explodes into three equal pieces P, Q and R. If P ...

    Text Solution

    |

  5. A particle of mass 2m moving with velocity v strikes a stationary par...

    Text Solution

    |

  6. Which of the following is a self adjusting force ?

    Text Solution

    |

  7. Maximum force of friction is called

    Text Solution

    |

  8. The limiting force of friction betwwen two bodies in contact independe...

    Text Solution

    |

  9. Why is it difficult to move a bike with its brakes on ?

    Text Solution

    |

  10. Which is a suitable method to decrease friction

    Text Solution

    |

  11. A cubical block rests on a plane of mu= sqrt(3) . The angle through wh...

    Text Solution

    |

  12. A block of mass 1 kg is projected from the lowest point up along the i...

    Text Solution

    |

  13. A child weighing 25 kg slides down a rope hanging from a branch of a t...

    Text Solution

    |

  14. An object of mass 1 kg moving on a horizontal surface with initial ve...

    Text Solution

    |

  15. A heavy box is slid across a rough floor with an initial speed of 4 m/...

    Text Solution

    |

  16. If a block moving up an inclined plane at 30^(@) with a velocity of 5 ...

    Text Solution

    |

  17. A chain is lying on a rough table with a fraction 1/n of its length ha...

    Text Solution

    |

  18. A block has been placed on an inclined plane with the slope angle thet...

    Text Solution

    |

  19. A horizontal force of 10N is necessary to just hold a block stationary...

    Text Solution

    |

  20. In the figure shown, the coefficient of static friction between the bl...

    Text Solution

    |