Question: Bats sense objects in the dark by echolocation, in which they emit very short pulses of sound and then listen for their echoes off the

Bats sense objects in the dark by echolocation, in which they emit very short pulses of sound and then listen for their echoes off the objects. A bat is flying directly toward a wall 50 m away when it emits a pulse. 0.28 s later it receives the pulse. What is the bat’s speed?

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