problem16_69

University Physics with Modern Physics with Mastering Physics (11th Edition)

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16.69: a) i i b and insect the of speed the bat, the of speed the be Let f v v the frequency with which the sound waves both strike and are reflected from the insect. The frequencies at which the bat sends and receives the signals are related by . i b b i s i b i L - + - + = - + = v v v v v v v v f v v v v f f Solving for , i v ( 29 ( 29 ( 29 ( 29 . 1 1 b S b L b S b L b b L S b b L S i + + - + - - =
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Unformatted text preview: -+ + -+-= v v f v v f v v f v v f v v v v v f f v v v v f f v v Letting bat S refl L and f f f f = = gives the result. b) If . s m . 2 , s m 9 . 3 and kHz, 5 . 83 kHz, 7 . 80 insect bat refl bat = = = = v v f f...
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