Q2_7B_W10_Rubric

# Q2_7B_W10_Rubric - Physics 7B W10 Quiz 2 Rubric 1 Consider...

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Physics 7B W10 Quiz 2 Rubric 1. Consider a simple vascular system, such as the circulatory system of an earth worm shown in schematic form in the diagram below. Assume that the cross sectional area of the artery ( A A )is equal to that of the vein( A V ) ; assume that the heart (pump) has a larger cross sectional area ( A H ) and that the sum of the cross sectional area of all of the capillaries ( A C ) is less than that of the artery. a) What are the relative volumetric flow rates of the artery, capillaries, vein, and heart. State all values in terms of I V , and indicate which are larger, smaller, or the same. I V = I H = I C =I A This is due to the continuity equation which requires that no matter be created on destroyed during flow. The current that flows in the heart, must then flow out and into the arteries, through the capillaries, and on into the veins. W (10) Correct. States that the same current flows throughout with continuity justification, e.g. "continuity", "closed system",

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Q2_7B_W10_Rubric - Physics 7B W10 Quiz 2 Rubric 1 Consider...

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