D David C Guest Mar 2, 2009 #1 a stone is droppd in a hole and it takes 11.4 seconds to hear the bric hit the ground. Speed of sound is 350ms-1 . what is the depth of the shaft?
a stone is droppd in a hole and it takes 11.4 seconds to hear the bric hit the ground. Speed of sound is 350ms-1 . what is the depth of the shaft?
