The pressure dissimilarity between the 40-cm-wide input end, Ask an Expert

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The pressure dissimilarity between the 4.0-cm-wide input end of a Venturi tube and the 2.0-cm-wide narrow constriction is measured by the difference in level of a water column in a glass U-tube, and found to be 12.7 cm.

a) What is the pressure dissimilarity between the two segments of the Venturi tube in Pascals?

b) Utilize the fluid conservation principles to derive the expression for the speed of the air at the input end in terms of the pressure dissimilarity. Show your reasoning clearly.

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