1.What is the major head loss in a coarse concrete pipe with a diamter of 1ft that is 100 ft long. Water flows at a rate of 20 ft^3/s (viscosity of water = 2.344x10^-5 lbfs/ft^2, density of water = 1.94 slugs/ft^3) 1inch = 25.4mm
2.A bicyclist travels on a level path. The frontal area of the cyclist and the bicycle is 2.3 ft^2 and the drag coeffcient is 1.2. The specific weight of the air is .075lb/ft^3. How much horsepower (1hp=550ft*lb/s) does the cyclist need to produce to maintain a speed of 20 mph? Neglect rolling friction.