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Q. A horizontal pipe contains water at a pressure of 100 flowing with a speed of 1.5. The pipe narrows to one-half its original diameter. What is the speed of water? What is the pressure of the water?

Q. A banked circular highway curve is designed for traffic moving at 77-km/h. The radius of the curve is 153 m. Traffic is moving along the highway at 46-km/h on a rainy day. What is the minimum coefficient of friction between tires and road that will allow cars to negotiate the turn without sliding off road?

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