- #1
kadesh
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Homework Statement
Two kids are positioned as in the following figure and A emits a long sound. d=100m, x=40m, vsound=340m/s
How long (t) does the sound emitted by A has to be such that B perceives a signal that lasts 2t?
Homework Equations
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The Attempt at a Solution
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Seems like an easy problem. I don't understand what do we mean by "long sound", and what does it mean that a sound lasts t seconds. Does this mean that A can hear the sound for t seconds and B has to hear the sound for 2t seconds?