Home
Class 11
PHYSICS
A 5kg rifle fires a 5g bullet with a spe...

A 5kg rifle fires a 5g bullet with a speed of `500 m*s^(-1)`. What kinetic energy is acquired
(ii) by the the rifle ?

Text Solution

Verified by Experts

The correct Answer is:
0. 625 J
Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise PROBLEM SET -II (Hots Numerical Problems)|9 Videos

  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER (Assertion-reason type)|7 Videos

  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise PROBLEM SET -I|49 Videos

  • WBCHSE QUESTION PAPER -2019

    CHHAYA PUBLICATION|Exercise SECTION - II ( GROUP -D)|10 Videos

Similar Questions

Explore conceptually related problems

A 5kg rifle fires a 5g bullet with a speed of 500 m*s^(-1) . What kinetic energy is acquired (i) by the bullet and

A 5kg rifle fires a 5g bullet with a speed of 500 m*s^(-1) . (iii) Find the ratio of the distance, the rifle moves backward while the bullet is in the barrel to the distance the bullet moves forward.

A body of mass 5kg initially at rest is subjected to a force of 20N. What is the kinetic energy acquired by the body at the end of 10s?

A bullet, of mass 50 g and of initial speed 400 m*s^(-1) , penetrates a wall against an average force of 4xx 10^4 N. it comes out with a speed of 50 m*s^(-1) . What is the thickness of the wall ? Another bullet with a lesser mass, but with the same initial velocity , penetrates the wall but is unable to come out . what is the maximum possible mass of the second bullet ?

When a bullet of 6g mass hits a target at a speed of 400m cdot s^(-1) , 70% of its energy is converted into heat. The value of heat generated is

A solid sphere of diameter 2 cm and of mass 20 g is rolling with a velocity of 3 cm. s^(-1) . What is the total kinetic energy of the sphere?

A body of mass 10 kg falls from a height of 10 m. What will be its kinetic energy just before it touches the ground ? Prove that, this kinetic energy is equal to the potential stored at the initial position of the body. [g=980 cm *s^(-2) ]

A body of mass 1kg , at a height of 8m above the ground , is thrown vertically upwards at a velocity of 250 cm*s^(-1) . What will be the kinetic energy of the body when it just reaches the ground ? ( g=980 cm*s^(-2))

A bullet of mass 20 g moving with a speed of 500 cm*s^(-1) is just able to pierce a plank 5 cm thick. Calculate its velocity ,when the same bullet penetrates through the same plank 1 cm thick.

CHHAYA PUBLICATION-WORK AND ENERGY-PROBLEM SET -II
  1. A body of mass 40 kg is tied at one end of a string of length l. The...

    Text Solution

    |

  2. A nail is located at a certain distance vertically below the point of ...

    Text Solution

    |

  3. A body weighing 0.4 kg is whirled in a vertical circle making 2 revolu...

    Text Solution

    |

  4. A particle of 1g moving with a velocity of 6 cm *s^(-1) collides elas...

    Text Solution

    |

  5. A particle of 1g moving with a velocity of 6 cm *s^(-1) collides elas...

    Text Solution

    |

  6. What percentage of KE of a moving particle is transferred to a station...

    Text Solution

    |

  7. Radius of an iron is 2 cm. The ball is kept at rest on a frictionless ...

    Text Solution

    |

  8. The mass of air striking the blades of a windmill every second is 400...

    Text Solution

    |

  9. From a waterfall 60 m high, water falls at a rate of 27 m^3*s^(-1). If...

    Text Solution

    |

  10. Bricks are passed on by one labourer to another at a height 3m from th...

    Text Solution

    |

  11. A ball is thrown down with an initial velocity v0 from a height of 10m...

    Text Solution

    |

  12. A block of mass 2kg falls along a plane of inclination 60^@ . Coeffic...

    Text Solution

    |

  13. From a rod fixed on a vertical wall, a simple pendulum is suspended. ...

    Text Solution

    |

  14. A train of mass M is in motion. When its velocity is u1 and accelerati...

    Text Solution

    |

  15. A bullet of mass 50 g , moving with a velocity of 50 m*s^(-1) hits and...

    Text Solution

    |

  16. A uniform chain in held on a frictionless table with one-third of its ...

    Text Solution

    |

  17. A 5kg rifle fires a 5g bullet with a speed of 500 m*s^(-1). What kinet...

    Text Solution

    |

  18. A 5kg rifle fires a 5g bullet with a speed of 500 m*s^(-1). What kinet...

    Text Solution

    |

  19. A 5kg rifle fires a 5g bullet with a speed of 500 m*s^(-1). (iii) Fi...

    Text Solution

    |

  20. A 10g bullet is fired from a rifle horizontally into a 5kg block of wo...

    Text Solution

    |