algebra
posted by Sella .
Find the speed at which water travels in a pipe if the height is
a. 5cm. b. 8cm. c. 18 cm.
[Use the formula v^2=1960(h+10).]

I do no recognize where the +10 term comes from. What height h are they talking about? It probably has something to do with the vertical height of the water surface above the outlet.
Evidently they want you to substitute 5 cm for h in part (a) and solve for v. It will be in cm per second.
Then do it again with h = 8 cm and h = 18 cm. 
erhwehweh
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