Physics, 31.03.2020 16:42 tylermorehead1
Sound travels through air at 343 m/s at 20 °C. A bat emits an ultrasonic squeak and hears the echo 0.05 second later . How far away was the object that reflected it?
Answers: 2
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Sound travels through air at 343 m/s at 20 °C. A bat emits an ultrasonic squeak and hears the echo 0...
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