Home
Class 11
PHYSICS
A bullet of mass 50 g , moving with a ve...

A bullet of mass 50 g , moving with a velocity of `50 m*s^(-1)` hits and enters a wooden block of mass 2kg and comes to rest within it. The wooden block was initially at rest on a smooth table. Find the final velocity of the wooden block. What are the initial and final kinetic energies of the block-bullet system?

Text Solution

Verified by Experts

The correct Answer is:
`1.22 m*s^(-1) , 62.5J, 1.52 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 bullet of mass 50 g is fired into a wooden block of mass 2 kg resting on a smooth table surface. The bullet entres at 50 m*s^(-1) and gets embedded in the block. Find the final velocity of the block. Find the initial and the final kinetic energy of the block -bullet system.

A bullet of mass 50 g , moving a velocity of 200 m*s^(-1) , strikes and penetrates a wooden block. If the resistance f the wooden block on the bullet is 4900 N, find the distance up to which the bullet penetrates the block.

A bullet of mass 6 g is fired with a velocity of 500 m cdot s^(-1) from a gun of mass 4 kg. Find the recoil velocity of gun.

Calculate the kinetic energy of a bullet of mass 50 g moving with a velocity of 200 m*s^(-1) .

A bullet of mass m, moving with a velocity u hits a wooden block of mass M and gets embedded. Assuming that the wooden block can move freely, show that, the loss of kinetic energy =1/2 (mM)/(m+M) u^2 .

A bullet of mass 0.04 kg moving with a speed of 90 mcdot s^(-1) enters a heavy wooden block and is stopped after a distance of 60 cm. What is the average resistive force exerted by the block on the bullet?

A wooden block of mass 120 kg floats on water. The density of the wooden block is 600kg*m^(-3) . The weight that should be placed on the wooden block so that it just sinks will be

A bullet of mass 250g , moving with a horizontal velocity of 400 m*s^(-1) , gets embedded in a target. The target of mass 4.75 kg can move freely. Find the loss of kinetic energy due to this collision. What happens to this energy loss ?

A bullet of mass 10 g travels horizontally with a speed of 100 m*s^(-1) and penetrates in a wooden block of mass 990 g suspended by a string . Find the vertical height through which the block rises. Take g=10m*s^(-2) .

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

    |