Physics, asked by melvinsam8339, 1 year ago

a pebble is drroped freely in a well from its top. It takes 20 s for the pebble to reach the water surface in the well.Taking g= 10 m/s2 and speed of sound= 330 m/s ,find the time when echo is heard after the pebble is dropped.

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Answered by ranjanalok961

5

Hlo matr your solution

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Answered by jaydeep2398

0

Answer:

2000 m

Explanation:

mark it as brainliest

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