Physics, 11.05.2021 14:00 matthew6889
Oilbirds are nocturnal birds. As they fly, they produce a high-pitched clicking sound to locate obstacles
using a pulse-echo technique.
(a) Describe how the oilbirds use the pulse-echo technique to locate obstacles. Answered.
(b) The frequency of sound in an oilbird's click is 2.0 kHz and a click is 2.0 ms in duration.
Determine whether these clicks can be used to locate obstacles at a distance of 50 cm.
speed of sound = 330 m s-1
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