A bat emits a sound at a frequency of

30.0kHz

as it approaches a wall. The bat detects beats such that the frequency of the echo is

900Hz

higher than the frequency the bat sound in air is

340(m)/(s)

. The speed of the bat is closest to\

10.0(m)/(s)

.\

20.0(m)/(s)

.\

5.02(m)/(s)

.\

30.0(m)/(s)

.\

530(m)/(s)

.

A bat emits a sound at a frequency of 30.0kHz as it approaches a wall. The bat detects beats such that the frequency of the echo is 900Hz higher than the frequency the bat sound in air is 340m/s. The speed of the bat is closest to 10.0m/s. 20.0m/s. 5.02m/s. 30.0m/s. 530m/s