Home
Class 12
PHYSICS
A ball is dropped from a high rise platf...

A ball is dropped from a high rise platform at `t=0` starting from rest. After `6s`, another ball is thrwon downwards from the same platform with a speed v. The two balls meet at `t = 18s`. What is the value of v?
(Take `g = 10 ms^(-2)`)

A

Statement-I is true, Statement-II is true, Statement-II is correct explanation for Statement-I

B

Statement-I is true, Statement-II is true, Statement-II is NOT a correct explanation for Statement-I

C

Statement-I is true, Statement-II is false

D

Statement-I is false, Statement-II is true.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A PALNE

    ALLEN|Exercise Comprehension#1|3 Videos
  • MOTION IN A PALNE

    ALLEN|Exercise Comprehension#2|5 Videos
  • MOTION IN A PALNE

    ALLEN|Exercise EXERCISE-03|6 Videos
  • KINEMATICS-2D

    ALLEN|Exercise Exercise (O-2)|46 Videos
  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN|Exercise EXERCISE (JA)|4 Videos

Similar Questions

Explore conceptually related problems

A ball is droped from a high rise platform t = 0 starting from rest. After 6 s another ball is thrown downwards from the same platform with a speed v . The two balls meet at t = 18 s . What is the value of v ?

A ball is thrown upwards from the ground with an initial speed of u. The ball is at height of 80m at two times, the time interval being 6 s. Find u. Take g=10 m//s^2.

A ball is dropped downwards . After 1 second another ball is dropped downwards from the same point . What is the distance between them after 3 seconds .

A ball is dropped from the top of a building of height 80 m. At same instant another ball is thrown upwards with speed 50 m/s from the bottom of the building. The time at which balls will meet is

A ball is dropped from the top of a building 100 m high. At the same instant another ball is thrown upwards with a velocity of 40ms^(-1) from the bottom of the building. The two balls will meet after.

A ball is dropped from the top of a building 100 m high. At the same instant another ball is thrown upwards with a velocity of 40ms^(-1) from the bottom of the building. The two balls will meet after.

A ball is dropped from the top of a tower. After 2 s another ball is thrown vertically downwards with a speed of 40 ms^(-1) . After how much time and at what distance below the top of tower the balls meet ?

A ball is dropped from top of a tower 250 m high. At the same time, another ball is thrown upwards with a velocity of 50 ms^(-1) from the ground. The time at which they cross each other is

A ball A is dropped from a building of height 45 m . Simultaneously another ball B is thrown up with a speed 40 m//s . Calculate the relative speed of the balls as a function of time.

A ball is dropped from a building of height 45 m. Simultaneously another ball is thrown up with a speed 40 m/s. The relative speed of the balls varies with time as

ALLEN-MOTION IN A PALNE-Assertion-Reason
  1. An iron ball and a wooden ball of the same radius are released from a ...

    Text Solution

    |

  2. A particle moves along a straight line OX. At a time t (in seconds) th...

    Text Solution

    |

  3. Two bodies A (of mass 1 kg) and B (of mass 3 kg) are dropped from heig...

    Text Solution

    |

  4. A river 2 km wide is flowing at the rate of 2km/hr. A boatman, can row...

    Text Solution

    |

  5. A particle moving along x-axis has acceleration f, at time t, given f=...

    Text Solution

    |

  6. The position x of a particle w.r.t. time t along x-axis is given by a ...

    Text Solution

    |

  7. Two cars A and B start moving from the same point with same velocity v...

    Text Solution

    |

  8. An object travels 10km at a speed of 100 m/s and another 10km at 50 m/...

    Text Solution

    |

  9. Which of the following relations representing displacement x (t) of pa...

    Text Solution

    |

  10. The distance travelled by a particle starting from rest and moving wit...

    Text Solution

    |

  11. A particle moves in a straight line with a constant acceleration. It c...

    Text Solution

    |

  12. A particle shows distance-time curve as given in this figure. The maxi...

    Text Solution

    |

  13. The velocity-time graph of an objects is as shown. The displacement du...

    Text Solution

    |

  14. A bus is moving with a speed of 10 ms^-1 on a straight road. A scooter...

    Text Solution

    |

  15. In 1.0 s, a particles goes from point A to point B, moving in a semici...

    Text Solution

    |

  16. A car accelerates from rest at a constant rate alpha for some time afr...

    Text Solution

    |

  17. A paricle moves a distance x in time t according to equation x=(t+5)^(...

    Text Solution

    |

  18. A ball is dropped from a high rise platform at t=0 starting from rest....

    Text Solution

    |

  19. A particle has an initial velocity (6hati+8hatj) ms^(-1) and an accele...

    Text Solution

    |

  20. A car accelerates from rest at constant rate of 2ms^(-2) for some time...

    Text Solution

    |