Asked by help

A bat flying in a cave emits a sound and receives its echo 0.3 s later.
How far away is the cave wall? Assume the speed of sound to be 340 m/s.
Answer in units of m.
Answered by bobpursley
THe sound has to go there and back, a distance of 2*d

2*d=speedsound*3
Answered by Anonymous
whats the answer
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