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A bat moving with a speed of 3.25 m/s and emitting sound of 35.0 kHz approaches a moth at rest on a tree trunk.
(a) What frequency is heard by the moth?
(b) If the speed of the bat is increased, is the frequency heard by the moth higher or lower?
(c) Calculate the frequency heard by the moth when the speed of the bat is 4.25 m/s. |
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