Asked by anthony
                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
            
        u^2/speedsound+u sqrt2/g - 3.4=0
Answers
                    Answered by
            bobpursley
            
    see other post.
    
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