Two aircraft are flying directly away from
each other with equal speed. Each
aircraft emits a...
Two aircraft are flying directly away from
each other with equal speed. Each
aircraft emits a sound pulse which is
picked up by the other aircraft. What
speed (km/hr) must each aircraft have in
order that the arriving pulse has a frequency one fifth the emitted frequency?
[ ? ] km/hr
Hint: The speed of sound is 343 m/s.
Answers: 2
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