A man drops a rock into a well.
(a) The man hears the sound of the splash 2.20s after he releases the rock from rest. The speed of soundin air (at the ambient temperature) is 336 m/s.How far below the top of the well is the surface of the water?(answer in meters)
(b) If the travel time for the sound is ignored, what percentageerror is introduced when the depth of the well is calculated?(percentage)