Home
Class 11
PHYSICS
A bullet of mass 10g moving horizontally...

A bullet of mass `10g` moving horizontally with a velocity of `400 ms^(-1)` strickes a wooden block of mass `2 kg` which is suspended by a light inextensible string of length `5m`. As a result, the center ofgravity of the block is found to rise a vertical distance of `10cm` . The speed of the bullet after it emerges out hirizontally from the block will be

A

`160" ms"^(-1)`

B

`100" ms"^(-1)`

C

`80" ms"^(-1)`

D

`120" ms"^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
D
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 bullet of mass 10 g moving horizontally with a velocity of 400ms^(-1) strikes a wooden block of mass 2kg which is suspended by a light inextensible string of length 5 m. As a result, the centre of gravity of the block is found to rise a vertical distance of 10 cm. The speed of the bullet after it emerges out horizontally from the block will be

A bullet of mass 0.01 kg travelling at a speed of 500 m/s strikes a block of mass 2 kg, which is suspended by a string of length 5 m. The centre of gravity of the block is found to rise a vertical distance of 0.1 m. The speed of the bullet after it emerges from the block will be -

A bullet of mass 0.01 kg and travelling at a speed of 500 ms^(-1) strikes a block of mass 2 kg which is suspended by a string of length 5 m . The centre of gravity of the block is found to raise a vertical distance of 0.2 m . What is the speed of the bullet after it emerges from the block?

A bullet of mass 0.01J kg and travelling at a speed of 500m//s strikes a block of mass 2 kg which is suspended by a string of length 5m. The cnetre of gravity of the block is found to rise a vertical distance of 0.1m, figure. What is the speed of the bullet after it emerges from the block ? (g=9.8m//s^(2)).

A bullet of mass 10 g moving with a velocity of 400 m/s gets embedded in a freely suspended wooden block of mass 900 g. What is the velocity acquired by the block ?

Abullet of mss 20 g moving horizontally at speed of 300 m/s is fired into wooden block of mas 500 suspended by a long string. The bullet criosses the block and emerges on the other side. If the centre of mass of the block rises through a height of 20.0 cm, find teh speed of tbe bullet as it emerges from the block.

A bullet of mass 20 kg travelling horizontally at 100 ms^(-1) gets embedded at the centre of a block of wood of mass 1kg, suspended by a light vertical string of 1m in length. Calculate the maximum inclination of the string to the vertical.

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

    |