Mathematics, 07.09.2020 05:01 aly95
A pebble is dropped into a deep well and 3s later the sound of a splash is heard as the pebble reaches the bottom of the well. The speed of sound in air is about 340 m/s. How long will it take fir the pebble to hit the water? How long does is take for the sound to reach the observer? What is the depth of the well? (I need the equation)
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A pebble is dropped into a deep well and 3s later the sound of a splash is heard as the pebble reach...
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