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`        A person sitting on the top of a tall building is dropping balls at regular intervals of one second.Find the positions of the 3rd,4th and 5th ball when the 6th ball is being dropped.`
8 years ago

Pratham Ashish
17 Points
```										When the sixth ball was dropped, 5 seconds have elapsed from the time the first ball was dropped, 4 seconds after the second ball was dropped, 3 seconds after the the third ball was  dropped, 2 seconds after the fourth ball was dropped and 1 second  after the fifth ball was dropped. Thus being said, when the sixth ball was dropped & since the 3rd ball has been falling for 3 seconds, then D3 = (1/2)(9.8)(3^2) = 44.1 meters Since the fourth ball has been falling for 2 seconds, D4 = (1/2)(9.8)(2^2) = 19.6 meters and since the fifth ball has been falling for 1 second, D5 = (1/2)(9.8)(1)^2 = 4.9 m

```
8 years ago
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