Physics, 21.06.2020 20:57 brutusjohnson1
What happens to a sound wave as air temperature decreases?
A. The wave returns to rest a position
B. The wave’s speed decreases
C. Air particles push harder on the wave
D. The waves speed increases
Answers: 2
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In a system, when potential energy decreases, then entropy also decreases. true false
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Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.
Answers: 2
What happens to a sound wave as air temperature decreases?
A. The wave returns to rest a position <...
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