Question

A collapsible plastic bag (figure below) contains a glucose solution. If the average gauge pressure in the vein is 1.29 10³ Pa, what must be the minimum height h of the bag in order to infuse glucose into the vein? Assume the specific gravity of the solution is 1.05.
h = m

A collapsible plastic bag (figure below) contains a glucose solution. If the average gauge pressure in the vein is 1.29 times 103 Pa, what must be the minimum height h of the bag in order to infuse glucose into the vein? Assume the specific gravity of the solution is 1.05.

Answer 1

P = pgh where P = pressure, p = density of solution, g = 9.81m/s^2, and h = height

Here, p = 1.05*1000kg/m^3 = 1050kg/m^3

h = P/pg = 1.29 x 10^3 N/m^2 / [(1050kg/m^3)*9.81m/s^2] = 0.125m