Question: A bat flying at 4 . 7 0 m / s is chasing an insect flying in the same direction. The bat emits a 3

A bat flying at 4.70 m/s is chasing an insect flying in the same direction. The bat emits a 39.9-kHz chirp and receives back an echo at 40.5 kHz.(Take the speed of sound in air to be v =343 m/s.)

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