A bat moving at 72 ms is chasing a flying insect the bat
A bat moving at 7.2 m/s is chasing a flying insect. The bat emits a 43 kHz chirp and receives back an echo at 43.68 kHz. At what speed is the bat gaining on its prey? Take the speed of sound in air to be 336 m/s. Answer in units of m/s.
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the length of a hollow pipe is 1037 cm the air column in the pipe is vibrating and has nine nodes1 find the frequency
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a bat moving at 72 ms is chasing a flying insect the bat emits a 43 khz chirp and receives back an echo at 4368 khz at
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A 2016 survey of undergraduate students considered this further and found that compared with students that did not use cannabis at least once
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