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Answer to Question #38156 in Acoustics for Shanu

Question #38156
A bat flies at a steady rate of 4 m/s emitting 90 kHz sound wave and is flying towards a wall.It detects a reflected signal at s frequency………….kHz.Given speed of sound=340m/s.
a)90.1 b)92.1 c)91.1 d)93.1
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