HoMeWork Help! Physics! Bat/Moth Conundrum!

Posted on 2013-12-19 11:35:00 in Physics by TUNDA

A bat emits a series of high-frequency sound pulses as it approaches a moth. The pulses are approximately 70.0 ms apart, and each is about 3.0 ms long.

How far away can the moth be detected by the bat so that the echo from one pulse returns before the next pulse is emitted?

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