Asked by deng
a child standing in front of high cliff make a loud sound, and hears an echo after 30 seconds. Calculate how far is the child from the cliff?
Answers
Answered by
scott
find the speed of sound in air ... it is temperature dependent
multiply the speed of sound by the time to find the distance the sound travels
... the cliff distance is half of the total travel
multiply the speed of sound by the time to find the distance the sound travels
... the cliff distance is half of the total travel
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