Posted by **anthony** on Friday, October 1, 2010 at 9:13pm.

How can you get the quadratic formula out of this if there are two unknowns? speed of sound and u. also is there suppose to be another + after the second u?

u^2/speedsound+u sqrt2/g - 3.4=0

- college -
**bobpursley**, Friday, October 1, 2010 at 9:31pm
see other post.

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