Part B: Best-fit lines can be drawn for the linear portions of the plot. From th

Question

Part B: Best-fit lines can be drawn for the linear portions of the plot. From the lines determine the thickness of the upper layer.

Part C: What are the two fluids?

Select the two that apply.

coconut oil mercury acetone ethane water blood Problem 13.64 An industrial waste tank contains a layer of less dense fluid floating on a layer of more-dense fluid An engineer measures the gauge pressure at various depths in the tank. The data are given in the table: Depth (m) Gauge Pressure (kPa) 0.2 1.96 4.90 0.5 7.84 0.8 1.0 9.80 38.4 1.4 78.4 1.7 132 2.1 Part A Make a plot of gauge pressure as function of depth add graph add points x delete graph i graph info 5 reset help 140 120 100 80 60 40 20 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 Depth (m) Submit My Answers Give Up Correct

Explanation / Answer

in upper layer, Pressure P = rho*g*h

when h = 1m, 9.8*10^3 = 9.8*rho*1

rho = 1000 kg/m^3

thickness of upper layer = 1m + 0.2 m (transition of the fluids) = 1.2 m

part C) first layer is water because of its density

density of second layer d = P/gh

= (132-38.4)*10^3/(9.8*(2.1-1.4))

= 13.6*10^3 kg/m^3

second layer is mercury.

so they are water and mercury

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