1.A closed storage building is located on open flat terrain in central ohio. If the side wall of the building is 20ft high, determine the external wind pressure acting on the windward and leeward walls. Each wall is 60ft long.
2.Water flows uniformly in a rectangularlined with a glass surface 0.018, channel width is b=10m, the flow depth is y=0.5m ,slope is =0.008 determine the volume flow rate from the manning equation and the critical depth