Home
Class 11
PHYSICS
From a building two balls A and B are t...

From a building two balls `A` and `B` are thrown such that `A` is thrown upwards and `B` downwards ( both vertically with the same speed ). If `v_(A) and v_(B)` are their respective velocities on reaching the ground , then

A

`v_B gt v_A`.

B

`v_A=v_B`.

C

`v_A gt v_B`.

D

their velocities depend on their masses

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MECHANICS

    SL ARORA|Exercise Exercise|341 Videos
  • Mechanical Properties of Solids

    SL ARORA|Exercise Example|113 Videos
  • Motion in a Plane

    SL ARORA|Exercise Excercise|397 Videos

Similar Questions

Explore conceptually related problems

From the top of a tower a body A is thrown up vertically with velocity u and another body B is thrown vertically down with the same velocity u. If v_(A) and V_(B) are their velocities when they reach the ground and t_(A) and t_(B) are their times of flight, then

A person standing near the edge of the top of a building throws two balls A and B. The ball A is thrown vertically upward and B is thrown vertically downward with the same speed. The ball A hits the ground with speed v_A and the ball B hits the ground wiht a speed v_B . We have

From the top of a tower, a stone A is thrown upwards and a stone B is thrown downwards with the same speed. The velocity of stone A, on colliding with the ground is :

Two balls X and Y are thrown from top of tower one vertically upward and other vertically downward with same speed. If times taken by them to reach the ground are 6 s and 2 s respectively, then the height of the tower and initial speed of each ball are (g=10m//s^(2))

A stone dropped from a building of height h and it reaches after t second on the earth. From the same building if two stones are thrown (one upwards and other downwards) with the same speed and they reach the earth surface after t_(1) and t_(2) seconds, respectively, then

A stone is thrown vertically upwards with a velocity of 4.9 ms^(-1) . Calculate : the time taken to reach the ground.

Two balls A and B of same masses are thrown from the top of the building A . Thrown upward with velocity V and B , thrown downward with velocity V , then

Three particles A, B and C are thrown from the top of a tower with the same speed. A is thrown up, B is thrown down and C is horizontally. They hit the ground with speeds v_(A),v_(B) and v_(C) respectively then,

A ball is thrown downward In a viscous fluid with speed V. Terminal speed of ball is V_(0)

Two stones are thrown from top of tower, one vertically upward and other downward with same speed. Ratio of velocity when they hit the ground is:

SL ARORA-MECHANICS-Exercise
  1. The velocity of particle is v=v(0)+"gt"+ft^(2). If its position is x=0...

    Text Solution

    |

  2. A body is at rest at x =0 . At t = 0, it starts moving in the posi...

    Text Solution

    |

  3. From a building two balls A and B are thrown such that A is thrown up...

    Text Solution

    |

  4. A ball is released from the top of a tower of height h metre. It takes...

    Text Solution

    |

  5. A parachutist after bailing out falls 50m without friction. When parac...

    Text Solution

    |

  6. An object , moving with a speed of 6.25 m//s , is decelerated at a ra...

    Text Solution

    |

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

    Text Solution

    |

  8. A body is thrown vertically upwards. Which one of the following graphs...

    Text Solution

    |

  9. All the graphs below are intended to represent the same motion. One of...

    Text Solution

    |

  10. The displacement of a body is proporticonal to the cube of time elapse...

    Text Solution

    |

  11. The velocity of a bullet is reduced from 200 m//s to 100 m//s while tr...

    Text Solution

    |

  12. A particles starts from rest and has an acceleration of 2m//s^(2) ...

    Text Solution

    |

  13. A body A starts from rest with an acceleration a1. After 2 seconds, an...

    Text Solution

    |

  14. A body starts from rest and moves with constant acceleration. The rati...

    Text Solution

    |

  15. The displacement of a particle moving along x-axis is given by : x =...

    Text Solution

    |

  16. The velocity with which a body stricks the ground is always equal to ...

    Text Solution

    |

  17. Three different objects of masses m(1) , m(2) and m(2) are allowed to ...

    Text Solution

    |

  18. When a ball is thrown up vertically with velocity v0, it reaches a max...

    Text Solution

    |

  19. A ball is droped from a high rise platform t = 0 starting from rest. A...

    Text Solution

    |

  20. The ball is dropped from a bridge 122.5 m above a river, After the ba...

    Text Solution

    |