Home
Class 11
PHYSICS
A body projected horizontally with a vel...

A body projected horizontally with a velocity`v` from a height `h` has a range `R`.With what velocity a body is to be projected horizontally from a height `h//2` to have the same range ?

A

`sqrt2 v`

B

`2v`

C

`6v`

D

`8v`

Text Solution

Verified by Experts

The correct Answer is:
A
`R=u sqrt((2h)/(g))` , given R is same
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A PLANE

    NARAYNA|Exercise Level-II(C.W)|45 Videos

  • MOTION IN A PLANE

    NARAYNA|Exercise Level-III(C.W)|48 Videos

  • MOTION IN A PLANE

    NARAYNA|Exercise C.U.Q|36 Videos

  • MECHANICAL PROPERTIES OF SOLIDS

    NARAYNA|Exercise LEVEL-II (H.W)|24 Videos

  • MOTION IN A STRAIGHT LINE

    NARAYNA|Exercise Level 2 H.W|29 Videos

Similar Questions

Explore conceptually related problems

Discuss the motion of a body when projected horizontally from a height .

A ball of mass 2 kg is projected horizontally with a velocity 20m/s from a building of height 15m. The speed with which body hits the ground is :

A body projected horizontally with a velocity V from the top of a tower of height h touches the level ground at a distance X from the foot of the tower. Another body is projected horizontally with velocity 2V simultaneously from the same point exactly in the opposite direction. On reaching the ground, separation between the two bodies is?

A body is projected horizontally from the top of a tower of height 10m with a velocity 10m/s .Its velocity after 1 second is

A body of mass m is projected horizontally with a velocity v from the top of a tower of height h and it reaches the ground at a distance x from the foot of the tower. If a second body of mass 2m is projected horizontally from the top of a tower of height 2h, it reaches the ground at a distance 2x from the foot of the tower. The horizontal velocity of the second body is :

A body of mass m is projected horizontally with a velocity v from the top of a tower of height h and it reaches the ground at a distance x from the foot of the tower. If a second body of mass 2 m is projected horizontally from the top of a tower of height 2 h , it reaches the ground at a distance 2x from the foot of the tower. The horizontal veloctiy of the second body is.

A body is projected horizontally with a velocity of 39.4m//s from the top of a building . After what time the horizontal and vertical velocities of the body become equal ?

A body is projected horizontally with a speed v_(0) find the velocity of the body when it convers equal distance in horizontal and vertical directions.

A body is projected with velocity u so that its horizontal range is twice the maximum height.The range is

A body, rpojected horizontally with a speed u from the top of a tower of height h , reaches the ground at a horizontally distance R from the tower. Another body, projected horizontally from the top of a tower of height 4h , reaches the ground at horizontal distance 2R from the tower. The initial speed of the second body is

NARAYNA-MOTION IN A PLANE-Level-I(C.W)
  1. A particle is projected with an initial velocity of 200 m//s in a dir...

    Text Solution

    |

  2. A body is projected with an initial velocity 20 m//s at 60^(@) to the ...

    Text Solution

    |

  3. A body is projected at an angle of 30^(@) with the horizontal with mom...

    Text Solution

    |

  4. The potential energy of a projectile at its maximum height is equal to...

    Text Solution

    |

  5. From a point on the ground a particle is projected with initial veloci...

    Text Solution

    |

  6. The horizontal and vertical displacements of a projectile are given as...

    Text Solution

    |

  7. Two bodies are thrown from the same point with the same velocity of 50...

    Text Solution

    |

  8. A missile is fired for maximum range with an initial velocity of 20m//...

    Text Solution

    |

  9. If vecu=ahati+bhatj+chatk with hati,hatj,hatkare in east, north and ve...

    Text Solution

    |

  10. If the time of flight of a projectile is doubled, what happens to the ...

    Text Solution

    |

  11. If vecu=ahati+bhatj+chatk with hati,hatj,hatkare in east, north and ve...

    Text Solution

    |

  12. A body projected horizontally with a velocityv from a height h has a r...

    Text Solution

    |

  13. A stone is thrown horizontally with velocity g ms^(-1) from the top of...

    Text Solution

    |

  14. A body is thrown horizontally from the top of a tower. It reaches the ...

    Text Solution

    |

  15. Two cliffs of heights 120 m and 100.4 m are separated bya horizontal d...

    Text Solution

    |

  16. A circular disc is rotating about its own axis at the rate of 200 revo...

    Text Solution

    |

  17. A stationary wheel starts rotating about its own axis at uniform rate ...

    Text Solution

    |

  18. A circular disc is rotating about its own axis at uniform rate complet...

    Text Solution

    |

  19. A particle is moving at uniform speed 2 ms^(-1) along a circle of radi...

    Text Solution

    |

  20. A particle P is moving in a circle of radius 'a' with a uniform speed ...

    Text Solution

    |