Making Connections 1. Where would fluid flow the fastest in the following pipe segment (Point 1 or Point 2)? Explain your reasoning. V2 2 2. A garden hose has a diameter of 2 cm and water enters it at 0.5 m/s. You block 90% of the end of the hose with your thumb. How fast does the water exit the hose? 3. The blood speed in a normal segment of a horizontal artery is 0.15 m/s. An abnormal segment of the artery is narrowed down by an arteriosclerosis plaque to one-half the normal cross sectional area. What is the difference in blood pressures between the normal and constricted segments of the artery? 4. Why do all houses need a plumbing vent? 5. How do airplane wings work (even paper airplanes)