SAT, 02.12.2021 02:40, starlightmoon213

A bat emits a sound at a frequency of 3. 00 × 104 hz as it approaches a wall. The bat detects beats such that the frequency of the echo is 900 hz higher than the frequency the bat is emitting. The speed of sound in air is 340 m/s. The speed of the bat is closest to.

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A bat emits a sound at a frequency of 3. 00 × 104 hz as it approaches a wall. The bat detects beats...