Asked by Chris
A bat moving at 5 meters per second is chasing a flying insect, if the bat emits a 40 khz chirp and receives back an echo at 40.4 khz what is the speed of the insect and will the bat be able to catch the insect?
Answers
Answered by
Chanz
fo = fs (1+vo/v)/(1+vs/v)
40 = 40.4 (1+5/343)/(1+vs/343)
I get about 8.5 so the bat dies of hunger.
40 = 40.4 (1+5/343)/(1+vs/343)
I get about 8.5 so the bat dies of hunger.
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