SOLUTION: http://gyazo.com/dfc205142f7d353e8548df1b4bafb372 Really need help :(

Question 896813: http://gyazo.com/dfc205142f7d353e8548df1b4bafb372
Really need help :(
Found 2 solutions by josgarithmetic, ankor@dixie-net.com:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
.

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Solve for p.
Evaluate according to the given datum.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Your problem , find p when v = 42,
write it:

square both sides and you have
49p = 1764
p = 1764/49
p = 36 psi
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