Home
Class 12
PHYSICS
A gun of mass M fires a bullet of mass m...

A gun of mass M fires a bullet of mass m with a Kinetic energy E. The velocity of recoil of the gun is

A

`(sqrt(2 ME))/(m)`

B

`(sqrt(2mE))/(M)`

C

`(sqrt(2 mE))/(M + m)`

D

`(sqrt(2 ME))/((M + m))`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    AAKASH SERIES|Exercise PRACTICE EXERCISE|106 Videos

  • LAWS OF MOTION

    AAKASH SERIES|Exercise EXERCISE - I|157 Videos

  • GEOMETRICAL OPTICS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL-II PRACTICE SHEET (ADVANCED) INTEGER TYPE QUESTIONS)|10 Videos

  • LOGIC GATES

    AAKASH SERIES|Exercise Exercise (Very Short Answer)|10 Videos

Similar Questions

Explore conceptually related problems

A gun of mass M fires a bullet of mass m, with a Kinetic energy E. The total kinetic energy in the firing process is

A loaded spring gun of mass M fires a bullet of mass m with a velocity v at an angle of elevation theta . The gun is initially at rest on a horizontal smooth surface. After firing, the centre of mass of the gun and bullet system

A loaded spring gun of mass M fires a bullet of mass m with a velocity v at an angle of elevation theta . The gun is initially at rest on a horizontal smooth surface. After firing, the centre of mass of the gun and bullet system

A gun of mass M fires a bullet of mass m with a velocity v relative to the gun. The average force required to bring the gun to rest in 0.5 sec. is

A gun of mass M fires a bullet of mass m with a horizontal speed V. The gun is fitted with a concave mirror of focal length f facing towards the receding bullet. Find the speed of separation of the bullet and the image just after the gun was fired.

A gun of mass m_1 fires a bullet of mass m_2 with a horizontal speed v_0 . The gun is fitted with a concave mirror of focal length f facing towards a receding bullet.Find the speed of separations of the bullet and the image just after the gun was fired.

Choose the correct option: A horizontal turn table in the form of a disc of radius r carries a gun at G and rotates with angular velocity omega_(0) about a vertical axis passing through the centre O . The increase in angular velocity of the system if the gun fires a bullet of mass m with a tangential velocity v with respect to the gun is (moment of inertia of gun + table about O is I_(0) )

A gun of mass M . fires a shell of mass m horizontally and the energy of explosion is such as would be sufficient to project the shell vertically to a height 'h' . The recoil velocity of the gun is

A gun of mass 10kg fires 4 bullets per second. The mass of each bullet is 20 g and the velocity of the bullet when it leaves the gun is 300ms^(-1) . The force required to hold the gun while firing is

If , a machine gun fires n bullets per second each with kinetic energy K, then the power of the machine gun is

AAKASH SERIES-LAWS OF MOTION-EXERCISE - II
  1. A shell is fired from a cannon with a velocity V at an angle theta wit...

    Text Solution

    |

  2. A gun mounted on the top of a moving truck t is aimed in the backward ...

    Text Solution

    |

  3. A gun of mass M fires a bullet of mass m with a Kinetic energy E. The ...

    Text Solution

    |

  4. A gun of mass M fires a bullet of mass m with a velocity v relative to...

    Text Solution

    |

  5. A shell of mass 0.01 kg fired by a gun of mass 10 kg. If the muzzle sp...

    Text Solution

    |

  6. A rocket consumes 20 kg fuel per second. The exhaust gases escape at a...

    Text Solution

    |

  7. A rocket of initial mass 6000kg ejects mass at constant rate of 200 kg...

    Text Solution

    |

  8. A rocket of mass 20kg has 180kg fuel. The exhaust velocity of the fuel...

    Text Solution

    |

  9. Two 10 kg bodies are attached to a spring balance as shown in figure. ...

    Text Solution

    |

  10. A mass 'M' is suspended by a rope from a rigid support. It is pulled h...

    Text Solution

    |

  11. In the given arrangement, for the system to remain under equilibrium, ...

    Text Solution

    |

  12. A uniform rope of length 5m is on a smooth horizontal surface. It is b...

    Text Solution

    |

  13. Two block of masses 3 kg and 1 kg are kept in contact with each other ...

    Text Solution

    |

  14. Two masses of 10 kg and 20 kg respectively are connected by a massless...

    Text Solution

    |

  15. A block of mass 10 kg lying on a smooth horizontal surface is being pu...

    Text Solution

    |

  16. Ten coins each of mass 10 gm are placed one above the other. The react...

    Text Solution

    |

  17. The apparent weight of man inside a lift moving up with certain accele...

    Text Solution

    |

  18. A 60kg man is inside a lift which is moving up with an acceleration of...

    Text Solution

    |

  19. When an empty lift is moving down with an acceleration of g/4 ms^(-2) ...

    Text Solution

    |

  20. A fireman wants to slide down a rope. The breaking load for the rope i...

    Text Solution

    |