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OpenStudy (anonymous):
How far will sound travel through air at 20 degrees celsius in 1.00 * 10^-3 s ? ***air at 20 deg C is 343 m/s *** A. 3.4 * 10^-3 m B. 3.4 * 10^-2 m C. 3.4 * 10^-1 m D. 3.4 * 10^1 m
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OpenStudy (michele_laino):
it is simple we have to compute this: 343*10^(-3)=...meters
OpenStudy (anonymous):
0.343? so the answer is choice D?
OpenStudy (michele_laino):
it is option C
OpenStudy (anonymous):
oh yes sorry :P my bad!! thank you very much1!
OpenStudy (michele_laino):
:)
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