A bat wants to locate a stationary obstacle while moving toward it at 4 m/s and emitting sound pulses at a frequency of 80 kHZ. What is the fractional of change of the echo's frequency? The speed of sound in air is 343 m/s.

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The Answer of A bat wants to locate a stationary obstacle while moving toward it at 4 m/s and emitting sound pulses at a frequency of 80 kHZ. What is the fractional of change of the echo's frequency? The speed of sound in air is 343 m/s.

A Bat Wants to Locate a Stationary Obstacle While Moving