A hunter fires a gun at a point 408 m away from a cliff. ...
A hunter fires a gun at a point 408 m away from a cliff. If he hears an echo 2.4 s later, determine the speed of the sound wave
340 ms−1
380 m s−1
400 m s −1
680 m s−1
Correct answer is A
speed of the sound wave = distance∗2time
= 408∗22.4
: speed of the sound wave = 340 ms−1