Home
Class 11
PHYSICS
Two balls are projected simultaneously w...

Two balls are projected simultaneously with the same velocity u from the top of a tower, one vertically upwards and the other vertically downwards. Their respective times of the journeys are `t_(1)` and `t_(2)` At the time of reaching the ground, the ratio of their final velocities is

A

`1:1`

B

`1:2`

C

`2:3`

D

`2:1`

Text Solution

Verified by Experts

The correct Answer is:
A

`v=sqrt(u^(2)+2gh)` is same for both the bodies
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A STRAIGHT LINE

    NARAYNA|Exercise Level 2 H.W|29 Videos
  • MOTION IN A STRAIGHT LINE

    NARAYNA|Exercise Comprehension Question|5 Videos
  • MOTION IN A PLANE

    NARAYNA|Exercise Level-II(H.W)|31 Videos
  • NEWTONS LAWS OF MOTION

    NARAYNA|Exercise PASSAGE TYPE QUESTION|6 Videos

Similar Questions

Explore conceptually related problems

Two bodies are projected simultaneously with the same velocity of 19.6 m//s from the top of a tower one vertically upwards and the other vertically downwards. As they reach the ground, the time gap is

Two balls are projected simultaneously with the same speed from the top of a tower, one vertically up wards and the other vertically downwards. If the first bll strikes the ground with speed 20 m//s then speed of second ball when it strikes the ground is.

Two balls are projected simultaneously with the same speed from the top of a tower, one vertically upwards and the other vertically downwards. They reach the ground in 9 s and 4 s, respectively. The height of the tower is (g=10 m//s^(2))

Two bodies are thrown simultaneously from a tower with same initial velocity v_0 : one vertically upwards, the other vertically downwards. The distance between the two bodies after time t is

Velocity-time curve for a body projected vertically upwards is

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:

A stone projected vertically up with velocity v from the top of a tower reaches the ground with velocity 2 v The height of the tower

A stone projected vertically up with velocity v from the top of a tower reaches the ground with velocity 2v .The height of the tower 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))

NARAYNA-MOTION IN A STRAIGHT LINE-Level 1 H.W
  1. A body is moving with velocity 30 m//s towards east. After 10 s its ve...

    Text Solution

    |

  2. A body starting with a velocity v returns to its initial position afte...

    Text Solution

    |

  3. A body starting from rest moving with uniform acceleration has a displ...

    Text Solution

    |

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

    Text Solution

    |

  5. A scooter acquires a velocity of 36 km//h in 10 seconds just after th...

    Text Solution

    |

  6. Speeds of two identical cars are u and 4u at at specific instant. The ...

    Text Solution

    |

  7. A car moving aling a straight highway with speed of 126 km h^(-1) is ...

    Text Solution

    |

  8. Two balls are projected simultaneously with the same velocity u from t...

    Text Solution

    |

  9. Two bodies are projected simultaneously with the same velocity of 19.6...

    Text Solution

    |

  10. Two bodies begin to fall freely from the same height. The second one b...

    Text Solution

    |

  11. A balloon is going upwards with velocity 12 m//sec it releases a packe...

    Text Solution

    |

  12. A body, thrown upward with some velocity reaches the maximum height of...

    Text Solution

    |

  13. The distance moved by a freely falling body (starting from rest) durin...

    Text Solution

    |

  14. A body is released from the top of a tower of height h. It takes t sec...

    Text Solution

    |

  15. A boy standing at the top of a tower of 20 m. Height drops a stone. As...

    Text Solution

    |

  16. A ball thrown vertically upwards with an initial velocity of 1.4 m/s r...

    Text Solution

    |

  17. A stone is dropped from a certain height which can reach the ground in...

    Text Solution

    |

  18. What are the speeds of two objects if, when they move uniformly toward...

    Text Solution

    |

  19. Two trains, each 50 m long, are travelling in opposite directions with...

    Text Solution

    |

  20. A ball is dropped from the top of a building 100 m high. At the same i...

    Text Solution

    |