A landscape architect is planning an artificial waterfall in a city park. Water flowing at 0.518 m/s will leave the end of a horizontal channel at the top of a vertical wall h = 2.55 m high and falls into a pool (see figure). (b) To sell her plan to the city council, the architect wants to build a model to standard scale, one-seventeenth actual size. How fast should the water flow in the channel in the model?

Canal effect. The figure shows an anchored barge that extends across a canal by distance d = 25 m and into the water by distance b = 15 m. The canal has a width D = 56 m, a water depth H = 17 m, and a uniform water-flow speed v¡ = 1.6 m/s. Assume that the flow around the barge is uniform. As the water passes the bow, the water level undergoes a dramatic dip known as the canal effect. If the dip has depth h = 0.65 m, what is the water speed alongside the boat through the vertical cross sections at (a) point a and (b) point b? The erosion due to the speed increase is a common concern to hydraulic engineers. (a) Number (b) Number b I I hi¦ Units Units 'Vi

A purifier fills a 11/5 liter water bottle in 35/2 seconds. What is its flow rate in terms of liters per second?

Water flows along a streamline down a river of constant width (see the figure below). Over a short distance the water slows from speed v to If the river's cross-section is rectangular, which of the following can you correctly conclude about Its depth? HINT O It became shallower by a factor of 3. O It became deeper by a factor of 34. O It became deeper by a factor of 3. O It became shallower by a factor of 34. P38