Physics, 09.05.2021 18:20 emilylunaa
1) A sound wave produced by an alarm is heard 668m away 2.0s later. a) What is the speed of sound of the alarm in the air? b) The sound wave has a frequency of 436Hz. What is its period? c) What is its wavelength?
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1) A sound wave produced by an alarm is heard 668m away 2.0s later. a) What is the speed of sound of...
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