Home
Class 11
PHYSICS
From the top of a tower of height 'H', b...

From the top of a tower of height 'H', body is thrown vertically upwards with a speed 'u'. Time taken by the body to reach the ground is '3' times the time taken by it to reach the highest point in its path. Then, the speed u is

A

`sqrtgH`

B

`sqrt(gH/2)`

C

`sqrt(2gH/3)`

D

`sqrt(gH/3)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MEASUREMENTS

    TARGET PUBLICATION|Exercise EVALUATION TEST|17 Videos

  • OPTICS

    TARGET PUBLICATION|Exercise EXERCISE|447 Videos

Similar Questions

Explore conceptually related problems

From a tower of height H, a particle is thrown vertically upwards with a speed u. The time taken by the particle, to hit the ground, is n times that taken by it to reach the highest point of its path. The relation between H, u and n is:

An object is thrown vertically upwards and rises to a height of 10 m. Calculate (i) the velocity with which the object was thrown upwards and (ii) the time taken by the object to reach the highest point.

An object is thrown vertically upward with a speed of 30 m/s. The velocity of the object half a second before it reaches the maximum height

A stone thrown vertically upwards with initial velocity u reaches a height h before coming down. Show that the time taken by it to go up is the same as the time taken to come down.

A bomb is fired from a cannon with a velocity of 1000 m/s making an angle of 30^@ with the horizontal. What is the time taken by the bomb to reach the highest point?

A body is projected vertically upwards from the ground. On reaching the greatest height

A stone is dropped from the top of a tower of height 45 m. One second later another stone is thrown down from the town of the same tower. Both stones reach the ground at the same time. If (g= 10 m/s^2), magnitude of the initial velocity of the sound stone is

A stone thrown vertically upwards with initaial velocity u reaches a height 'h' before coming down.Show that the time takes to go up is same as time taken to come down

An iron ball and a wooden ball of the same radius are released from a height ‘ h ’ in vacuum. The time taken by both of them to reach the ground is

TARGET PUBLICATION-Motion in a plane-Exercise
  1. An object is thrown vertically upward with a speed of 30 m/s. The velo...

    Text Solution

    |

  2. Ball-1 is dropped from the top of a building from rest. At the same mo...

    Text Solution

    |

  3. From the top of a tower of height 'H', body is thrown vertically upwar...

    Text Solution

    |

  4. Points P, Q and R are in a vertical line such that PQ=QR. A ball at P ...

    Text Solution

    |

  5. A person standing on the floor of an elevator drops a coin. The coin r...

    Text Solution

    |

  6. The relative velocity of geostationary satellite with respect to the s...

    Text Solution

    |

  7. A particle moves so that its position vector is given by vec r= cos om...

    Text Solution

    |

  8. A particle has an initial velocity of 3hat i+4 hatj and an acceleratio...

    Text Solution

    |

  9. The position vector of a particle vec R as a functions of time is give...

    Text Solution

    |

  10. A particle is moving such that its position coordinates (x, y) are (2...

    Text Solution

    |

  11. Particle A moves along X-axis with a uniform velocity of magnitude 10...

    Text Solution

    |

  12. A ship A is moving westwards with a speed of 10 km h^(-1) and a ship B...

    Text Solution

    |

  13. The speed of swimmer in still water is 20 m/s. The speed of river wate...

    Text Solution

    |

  14. The speed of a projectile at its maximum height is half of its initial...

    Text Solution

    |

  15. Two bodies are thrown with the same velocily al an angle of 30^@ and 6...

    Text Solution

    |

  16. A body projected from the ground reaches a point 'X' in its path after...

    Text Solution

    |

  17. Three projectiles A, B and Care projected at an angle of 30^@, 45^@, 6...

    Text Solution

    |

  18. Two particles are simultaneously projected in the horizontal direction...

    Text Solution

    |

  19. The trajectory of a projectile projected from origin is given by the e...

    Text Solution

    |

  20. A particle is projected with velocity 2sqrt(gh) and at an angle 60^@ t...

    Text Solution

    |