Home
Class 12
PHYSICS
A drunked person is 10 step away from a ...

A drunked person is 10 step away from a manhole. Suddenly he begins to walk towards the manhole. Suddenly he begins to walk towards the manhole. He walks two steps forward and one step beckward in one second. Find out
(i) The time after which the person will fall into the manhole?

Text Solution

Verified by Experts

The correct Answer is:
(i) at `(1)/(3)sec("during"9^(th)"see),
(ii) 26 steps
Promotional Banner

Topper's Solved these Questions

  • RACE

    ALLEN |Exercise Basic Maths (NEWTONS LAWS OF MOTION)|49 Videos
  • RACE

    ALLEN |Exercise Basic Maths (FRICTION)|13 Videos
  • RACE

    ALLEN |Exercise Basic Maths (Units, Dimensions & Measurements)|37 Videos
  • NEWTONS LAWS OF MOTION

    ALLEN |Exercise EXERCISE-III|28 Videos
  • SIMPLE HARMONIC MOTION

    ALLEN |Exercise Example|1 Videos
ALLEN -RACE-Basic Maths (KINEMATICS)
  1. A particle is moving with constant speed v on a circular path of 'r' ...

    Text Solution

    |

  2. An ant is scramping on the stairs as shown in the figure. There are 10...

    Text Solution

    |

  3. A drunked person is 10 step away from a manhole. Suddenly he begins to...

    Text Solution

    |

  4. A man travels two-third part of his total distance with speed v(1) and...

    Text Solution

    |

  5. A man travels half time of its journey with speed of 5m/s and for rema...

    Text Solution

    |

  6. If body having initial velocity zero is moving with uniform accelerati...

    Text Solution

    |

  7. If body having initial velocity zero is moving with uniform accelerati...

    Text Solution

    |

  8. A body is moving with variable acceleartion (a) along a straight line....

    Text Solution

    |

  9. A particla starting from rest undergoes acceleration given by a=|t-2|"...

    Text Solution

    |

  10. A particle moves in a straight line and its position x at time t is g...

    Text Solution

    |

  11. A car is moving with a velocity of 10 m/s. Suddenly driver sees a chil...

    Text Solution

    |

  12. A body moving with uniform acceleration covers a distance of 14 m in f...

    Text Solution

    |

  13. A particle starts from rest with uniform acceleration a. Its velocity...

    Text Solution

    |

  14. A car starts from rest and moves with uniform acceleration for time t ...

    Text Solution

    |

  15. A particle starts from rest accelerates at 2 m//s^2 for 10 s and then ...

    Text Solution

    |

  16. A body is projected vertically upward with speed 40m/s. The distance t...

    Text Solution

    |

  17. A body is thrown vertically upwards and takes 5 seconds to reach maxim...

    Text Solution

    |

  18. A ball is dropped from a height h above ground. Neglect the air resist...

    Text Solution

    |

  19. A ball is thrown upward from edge of a cliff with an intial velocity o...

    Text Solution

    |

  20. A body projected vertically upwards, reaches a height of 180 m. Find o...

    Text Solution

    |