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March 28, 2015

March 28, 2015

Posted by **Joe** on Thursday, January 20, 2011 at 8:32pm.

How long does it take for sound to arrive at the back of a big auditorium if the temperature is 33 oC and the stage is 29 m away? answer in seconds

- physics -
**Henry**, Friday, January 21, 2011 at 9:30pmThe Eq I have is:

V = 331.4 + 0.6T.

T = Temp. in deg celsius.

V = Velocity in m/s.

V = 331.4 + 0.6*33,

V = 331.4 + 19.8 = 351.2m/s.

t = d/V = 29m / 351.2m/s = 0.08257s.

- physics -
**Henry**, Friday, January 21, 2011 at 9:33pmpost

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