Home
Class 11
PHYSICS
A stone is dropped from a height of 10cm...

A stone is dropped from a height of 10cm above the top of a window 80 cm high. The time taken by the stone to cross the window is

A

`1/7 s `

B

`3/7 s `

C

`2/7 s `

D

`4/7 s `

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • RIVISION EXERCISE

    AAKASH SERIES|Exercise MOTION IN A PLANE (PARALLELOGRAM LAW, TRIANGLE LAW, POLYGON LAW)|14 Videos
  • RIVISION EXERCISE

    AAKASH SERIES|Exercise MOTION IN A PLANE (MOTION IN A PLANE)|20 Videos
  • RIVISION EXERCISE

    AAKASH SERIES|Exercise MOTION IN A STRAIGHT LINE (HORIZONTAL MOTION)|48 Videos
  • RAY OPTICS

    AAKASH SERIES|Exercise EXERCISE III|64 Videos
  • ROTATIONAL DYNAMICS

    AAKASH SERIES|Exercise PRACTICE SHEET (ADVANCED) Integer Type Questions|7 Videos

Similar Questions

Explore conceptually related problems

A stone is dropped from the top of a tower of height h=60m. Simultaneously another stone is projected vertically upwards from the foot of the tower. They meet at a height (2h)/3 from the ground level. The initial velocity of the stone projected upwards is (g=10ms^(-2))

AAKASH SERIES-RIVISION EXERCISE-MOTION IN A STRAIGHT LINE (VERTICAL MOTION)
  1. A particle is projected vertically up and another is let fall to meet ...

    Text Solution

    |

  2. A ball is projected from the bottom of a tower and is found to go abov...

    Text Solution

    |

  3. A stone is dropped from a height of 10cm above the top of a window 80 ...

    Text Solution

    |

  4. If a stone dropped from the top of a tower travels half of the height ...

    Text Solution

    |

  5. A body initially at rest is moving with uniform acceleration a. Its ve...

    Text Solution

    |

  6. A parachutist drops freely from an aeroplane for 8s before the parachu...

    Text Solution

    |

  7. Two balls are projected simultaneously with the same speed from the to...

    Text Solution

    |

  8. An object falls from a bridge that is 45 m above the water. It falls d...

    Text Solution

    |

  9. The distance travelled by a body moving along a line in time t is prop...

    Text Solution

    |

  10. Two bodies begin a free fall from the same height at a time interval o...

    Text Solution

    |

  11. A ball is thrown vertically upwards from the top of a tower. Velocity ...

    Text Solution

    |

  12. If water drops are falling at regular time intervals from ceiling of h...

    Text Solution

    |

  13. When a stone falling from the top of vertical tower has fallen a dista...

    Text Solution

    |

  14. A stone falls freely under gravity. It covers distance h1, h2 and h2. ...

    Text Solution

    |

  15. A body is thrown vertically upward from a point 'A' 125 m above the gr...

    Text Solution

    |

  16. From a tower of height H a particle is thrown vertically upwards with ...

    Text Solution

    |

  17. A projectile moving vertically upwards with a velocity of 200 m/s brea...

    Text Solution

    |

  18. A particle is projected vertically upwards with a velocity of 20m/sec....

    Text Solution

    |

  19. A car is standing 200 m behind a bus, which is also at rest. The two s...

    Text Solution

    |

  20. Which graph corresponds to an object moving with a constant negative a...

    Text Solution

    |