Asked by maria
You drop a stone down a well that is 12.37 m deep. How long is it before you hear the splash? The speed of sound in air is 343 m/s.
Answers
Answered by
bobpursley
let t1 be the fall time, t2 be the time for sound coming back up. You want t1+t2
t1:
12.37=1/2 g (t1)^2 solve for t1
t2:
12.37=343*t2 solve for t2
t1:
12.37=1/2 g (t1)^2 solve for t1
t2:
12.37=343*t2 solve for t2
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