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Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon
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An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?
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Aflute player hears four beats per second when she compares her note to a 523 hz tuning fork (the note c). she can match the frequency of the tuning fork by pulling out the “tuning join” to lengthen her flute slightly. what was her initial frequency?
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Physics, 23.06.2019 14:00
Explain how the absorption of sound waves differs from the transmission of sound waves.
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How is heat converted into work in a steam engine?...
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