Home
Class 11
PHYSICS
A body of mass 1 kg, initially at rest, ...

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 m//s` each. What is the velocity of the heavier fragment?

A

`10sqrt(2)`

B

6

C

3

D

`6sqrt(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • FORCE

    TARGET PUBLICATION|Exercise Competitive Theinking (4.4 Elastic and inelastic collision)|23 Videos

  • FORCE

    TARGET PUBLICATION|Exercise Competitive Theinking (4.5 Inertial and non-inertial frames)|2 Videos

  • FORCE

    TARGET PUBLICATION|Exercise Competitive Theinking (4.2 General idea of gravitational, electromagnetic and nuclear force from daily life experiences)|3 Videos

  • ELECTRONS AND PHOTONS

    TARGET PUBLICATION|Exercise Evaluation Test|19 Videos

  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 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 15 m s^(-1) each. What is the velocity of the heavier fragment?

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.

TARGET PUBLICATION-FORCE -Competitive Theinking (4.3 Law of conservation of momentum)
  1. A bomb at rest explodes into 3 parts of same mass. The momentum of two...

    Text Solution

    |

  2. A bullet fired from gun with a velocity 30 m/s at an angle of 60^(@) w...

    Text Solution

    |

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

    Text Solution

    |

  4. A bullet of mass 10g moving horizontally with a velocity of 400 ms^(-1...

    Text Solution

    |

  5. A stationary body of mass 3 kg explodes into three equal pieces. Two o...

    Text Solution

    |

  6. The kinetic energy of a body of mass 4 kg and momentum 6 N-s will be

    Text Solution

    |

  7. Two bodies of masses m(1) and m(2) have same kinetic energy. The rat...

    Text Solution

    |

  8. A stationary partical explodes into two partical of a masses m(1) and ...

    Text Solution

    |

  9. A 12 kg bomb at rest explodes into two pieces of 4 kg and 8 kg. If the...

    Text Solution

    |

  10. A ball of mass m is moving towards a batsman at a speed v. The batsman...

    Text Solution

    |

  11. A uniform force of (3 hati + hatj) newton acts on a partical of mass 2...

    Text Solution

    |

  12. Force acting on a particle of mass m moving in straight line varies wi...

    Text Solution

    |

  13. A force F(y)=(3x+2)" N" is acting on a body. The work done by this for...

    Text Solution

    |

  14. A body of mass 6kg is under a force which causes displacement in it gi...

    Text Solution

    |

  15. The work done an a particle of mass m by a force K[(x)/((x^(2) + y^(...

    Text Solution

    |

  16. According to the work energy theorem, the work done by the net force o...

    Text Solution

    |

  17. A block of mass 10 kg, moving in x-direction with a constant speed of ...

    Text Solution

    |

  18. A time dependent force F=6t acts on a particle of mass 1kg. If the par...

    Text Solution

    |

  19. Consider a drop of rain water having mass 1 g falling from a height of...

    Text Solution

    |

  20. A person trying to lose weight by burning fat filts a mass of 10 kg up...

    Text Solution

    |