HW vi ch 14 Begin Date 1/25/2017 12:00:00 AM Due Date: 1/31/2017 11:59:00 PM End

Question

HW vi ch 14 Begin Date 1/25/2017 12:00:00 AM Due Date: 1/31/2017 11:59:00 PM End Date: 5/4/2017 11:59:00 PM (13%) Problem 4: A length of clear plastic tubing is bent into a vertical U, as shown in the figure, and two liquids that do not mix are poured into it. Liquid A, with density 9A continues from the left column into the right. Its height is di in the left column and d2 in the right column. Liquid B, with density gB, sits on top of liquid Ain the right column. Its height is da above liquid A B d A Otheexpertta.com A 50% Part (a) Enter an expression for the density of liquid B, in terms of the other defined quantities. A 50% Part (b) Calculate the density of liquid B,in kilograms per cubic meter, if liquid A has a density of gA 2.3 105 kg/m and d 10.3 cm, d 8.8 cm, d 6.1

Explanation / Answer

part A)

for the pressure at the bottom of the tube will be equal

pressure in the liquid side 1 = pressure of liquid on side 2

A * g * d1 = A * g * d2 + B * d3

A* d1 = A *d2 + B* d3

for the density of liquid B

(A* d1 - A *d2)/d3 = B

the expression of density is (A* d1 - A *d2)/d3

part b)

density of liquid B = 2.3 *10^3 * (0.103 - 0.088)/.061

density of liquid B = 565.57 Kg/m^3

the density of liquid B is 565.57 Kg/m^3

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