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```
A splash is heard after 2.05 secs after a stone was dropped into a well of depth 19.6 m. The velocity of sound is??
A splash is heard after 2.05 secs after a stone was dropped into a well of depth 19.6 m. The velocity of sound is??

```
4 years ago

Vikas TU
14149 Points
```							Actual  time to raach the bottom=>19.6 = 0 + 0.5gt^2t = root(3.92) = > 1.9798 seconds.Delta t = > 2.05 – 1.9798 = > 0.07010 seconds.v = 19.6/0.07010 = > 279.6 m/s.
```
4 years ago
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