Question: 1 . A bat, flying at ( 5 . 2 mathrm { ~m } / mathrm { s } ) ,

1. A bat, flying at \(5.2\mathrm{~m}/\mathrm{s}\), pursues an insect that is flying at \(1.7\mathrm{~m}/\mathrm{s}\) in the same direction. The bat emits 49000 Hz sonar pulse in a cave where the temperature is \(40^{\circ}\mathrm{C}\).
a. At what speed does the sonar pulse travel?
b. At what frequency does the insect hear the pulse?
c. At what frequency does the bat hear the pulse reflected back from the insect?
1 . A bat, flying at \ ( 5 . 2 \ mathrm { ~m } /

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