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OpenStudy (anonymous):
A sound pulse (like a loud clap) is directed toward the wall of a tall building that is 680 m from the source of the sound. The REFLECTED wave is detected 4.0 seconds atfer the pulse is produced. a. How long does it takes the pulse to reach the building? b. What is the speed of the sound pulse?
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OpenStudy (anonymous):
It takes 4 seconds to hit the wall AND come back.. so how much time would it take to just hit the wall?
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