Physics, 16.10.2020 18:01 evere11605

1. Johnny wants to know where the water line is in a dark well. He drops a penny into the well and counts until he hears the penny hit the water. He counts exactly 3 seconds. How far down is the water line?

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1. Johnny wants to know where the water line is in a dark well. He drops a penny into the well and c...

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