Home
Class 11
PHYSICS
The average force necessary to stop a ba...

The average force necessary to stop a ball of mass 20 g and speed `250" m s"^(-1)` as it penetrates mud at a distance of 12 cm is

A

`5.2 xx 10^3 N`

B

`750 N`

C

625 N

D

520 N

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Gravitation

    TARGET PUBLICATION|Exercise Exercise|273 Videos
  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise Evaluation Test|12 Videos

Similar Questions

Explore conceptually related problems

The average force necessary to stop a bullet of mass 20 g moving with a speed of 250 m//s , as it penetrates into the wood for a distance of 12 cm is

The force necessary to cause an acceleration of 1m//s^2 in an object of mass 1kg is called.........

A hydraulic brake system of a car of mass 1000 kg having speed of 50 km//hr . has a cylindrical piston of radius of 0.5 cm. The slave cylinder has a radius of 2.5 cm. if a constant force of 100 N is applied on the brake what distance the car will travel before coming to stop?

A hydraluic brake system of a car of mass 1000 kg having speed of 50 km/h, has a cylindrical piston of radius of 0.5 cm. The slave cylinder has a radius of 2.5 cm. If a constant force of 100 N is applied on the brake what distance the car will travel before coming to stop ?

Solve the following examples: (numerical problems) A car of mass 1800 kg moving with a speed of 10 m/s is brought to rest after covering a distance of 50 m. Calculate the force applied to the car.

Hammer of mass M strikes a nail of mass 'm' with a velocity 20 m/s into a fixed wall. The nail penetrates into the wall to a depth of 1 cm. The average resistance of the wall to the penetration of the nail is

Choose the correct options A ball of mass 250 g moving with 20 m//s strikes a vertical wall and rebounds along the same line with a velocity of 15 m//s . If the time of contact is 0.1 s, the force exerted by the wall on the ball is

A hammer og mass M falls from height h to drive a pile of mass m into the ground. The hammer makes the pile pentrate in the ground to a distance d, opposition force of penetration is given by -

Solve the following examples : A bullet having a mass of 10 g and moving with a speed of 1.5 m/s penetrates a thick wooden plank of mass 90 g. The plank was initially at rest. The bullet gets embedded in the plank and both move together. Determine their velocity.

TARGET PUBLICATION-LAWS OF MOTION-EXERCISE
  1. An athlete runs some distance before taking a lang jump, because

    Text Solution

    |

  2. Choose the correct options A bomb of mass 9 kg explodes into two piece...

    Text Solution

    |

  3. The average force necessary to stop a ball of mass 20 g and speed 250"...

    Text Solution

    |

  4. A rider on the horse back falls backwards when horse starts running al...

    Text Solution

    |

  5. The masses of 10 kg and 20 kg respectively are connected by a massless...

    Text Solution

    |

  6. Human heart is pumping blood with constant velocity v m "s"^(-1) at th...

    Text Solution

    |

  7. The linear momentum p of a body moving in one dimension varies with ti...

    Text Solution

    |

  8. A particle moves in the xy-plane under the action of a force F such th...

    Text Solution

    |

  9. Consider the following statement about the blocks shown in the diagram...

    Text Solution

    |

  10. Ten one-rupee coins are put on top of each other on a table. Each coi...

    Text Solution

    |

  11. A reference frame attached to the earth

    Text Solution

    |

  12. Newton's law of gravitation is universal because

    Text Solution

    |

  13. which of the following is correct order for forces?

    Text Solution

    |

  14. The CORRECT diagram for the work done is moving a body from A to B und...

    Text Solution

    |

  15. Choose the correct options A force F = (0.5x + 12) N acts on a partic...

    Text Solution

    |

  16. A labourer is carrying a stone of mass 25 kg on his head on a level ro...

    Text Solution

    |

  17. Choose the correct options A force F = (0.5x + 12) N acts on a partic...

    Text Solution

    |

  18. If the unit of length and force be increased four times, the un...

    Text Solution

    |

  19. A 1.5 kg block is initially at rest on a horizontal frictionless surfa...

    Text Solution

    |

  20. A force of 5 N, making an angle 0 with the horizontal, acting on an ob...

    Text Solution

    |