Home
Class 12
PHYSICS
A bullet when fixed at a target with a v...

A bullet when fixed at a target with a velocity of `100 ms^(-1)`, penetrates one metre into it. If the bullet is fired with the same velocity as a similar target with a thickness `0.5` metre, then it will emerge from it with a velocity of

A

`50sqrt2m//s`

B

`(50)/(sqrt2)m//s`

C

`50 m//s`

D

`10 m//s`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE|Exercise SECTION-C (OBJECTIVE TYPE QUESTIONS) (MORE THAN ONE OPTIONS ARE CORRECT)|16 Videos

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE|Exercise SECTION-D (LINKED COMPREHENSION TYPE QUESTIONS) (COMPREHENSION-I)|3 Videos

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE|Exercise SECTION-A (OBJECTIVE TYPE QUESTIONS (ONE OPTIONISCORRECT)|60 Videos

  • WAVES

    AAKASH INSTITUTE|Exercise ASSIGNMENT ( SECTION-D ( Assertion - Reason Type Questions ))|12 Videos

Similar Questions

Explore conceptually related problems

A bullet of mass 100gm moving with a velocity of 100ms^(-1) just pierces through a plank of 100cm thick.If it is 50cm thick it emerges with a velocity

A bullet of mass 50 gram is fired from a 5 kg gun with a velocity of 1 km/s . the speed of recoil of the gun is

.A bullet when fired at a target has its velocity decreased to 50% after penetrating 30cm into it.Then the additional thickness it will penetrate in cm before coming to rest is

A bullet of mass 10 g is fired with a velocity of 100 m/s from a rifle of mass 2.5 kg, the recoil velocity of the rifle is

A bullet moving with a velocity of 30sqrt(2) ms^(-1) is fired into a fixed target. It penetrated into the target to the extent of s metres. If the same bullet is fired into a target of thickness (s)/(2) metres and of the same material with the same velocity, then the bullet comes out of the target with velocity

AAKASH INSTITUTE-WORK, ENERGY AND POWER-SECTION-B (SUBJECTIVE TYPE QUESTIONS) (ONE OPTIONS IS CORRECT)
  1. A particle of mass m is moving in a horizontal circle of radius r, und...

    Text Solution

    |

  2. A particle is placed on the top of a hemispherical shell of same mass....

    Text Solution

    |

  3. A bob is tied up with a string AB of length l. End A of the string is ...

    Text Solution

    |

  4. If linear momentum if increased by 50% then kinetic energy will be inc...

    Text Solution

    |

  5. A body of mass m was slowly pulled up the hill by a force F which at e...

    Text Solution

    |

  6. Work done by a spning force is

    Text Solution

    |

  7. A small body of mass m slides without friction from the top of a hemi...

    Text Solution

    |

  8. A motor drives a body along a straight line with a constant force. The...

    Text Solution

    |

  9. An engine pumps water continously through a hole. Peeds with which wat...

    Text Solution

    |

  10. A machine which is 75% efficient uses 12 J of energy in lifting up a 2...

    Text Solution

    |

  11. A bullet when fixed at a target with a velocity of 100 ms^(-1), penetr...

    Text Solution

    |

  12. A particle is rotated in a vertical circle by connecting it to a strin...

    Text Solution

    |

  13. The block of mass m is released when the spring was in its natrual len...

    Text Solution

    |

  14. Consider the spring blcok system shoen in the figure initially block m...

    Text Solution

    |

  15. Consider the spring block system shown in the figure. Initially block ...

    Text Solution

    |

  16. Consider the system shown in the figure. Coefficient of friction betwe...

    Text Solution

    |

  17. Consider the system shown in the figure. Coefficient of friction betwe...

    Text Solution

    |

  18. A particle of mass m initially moving with speed v.A force acts on the...

    Text Solution

    |

  19. A block of mass m is released from a height h from the top of a smooth...

    Text Solution

    |

  20. A particle of mass m initially at rest. A variabl force acts on the pa...

    Text Solution

    |