A stone is dropped into a well with water 80 m below the ground level. If the speed of the sound in air is 320 m/s, what time
after dropping the stone will the splash be heard? (g = 10 ms2)
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Answer:
It takes 1.6 sec after you let go of the rock that you hear a splash. Take the speed of sound to be 340 m/s
Explanation:
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