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Question 1 3 small blood vessels, of equal size, branch off from a single larger artery. The radii of the smaller blood vessels are one sixth the size of the larger artery. Let the blood speed the larger artery be v1 and the speed in the smaller blood vessels be v2. What is the speed in v2? 0 v2 = 2 v1 0 v2 = (1/12) v1 0 v2 = 12 v1 0 v2 = 9 v1 0 V2 = (1/2) V1 Question 2 With few exceptions, it is reasonable to say: 0 The viscosity of gases increases, as the temperature decreases. O The viscosity of gases stays the same, as the temperature decreases. O The viscosity of liquids decreases, as the temperature decreases. O The viscosity of liquids stays the same, as the temperature decreases. O The viscosity of liquids increases, as the temperature decreases