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Author Question: Bats can detect small objects such as insects that are of a size approximately that of one ... (Read 89 times)

sam.t96

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on: Jul 28, 2018
Bats can detect small objects such as insects that are of a size approximately that of one wavelength. If bats emit a chirp at a frequency of 60 kHz, and the speed of sound in air is 340 m/s, what is the smallest size insect they can detect?

Question 2

If the breakers at a beach are separated by 5.0 m and hit shore with a frequency of 0.20 Hz, with what speed are they traveling?


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bimper21

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Reply #1 on: Jul 28, 2018
Answer to Question 1

5.7 mm

Answer to Question 2

1.0 m/s


sam.t96

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Reply 2 on: Jul 28, 2018
Wow, this really help

frankwu0507

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Reply 3 on: Yesterday
Gracias!

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