Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is 1.70 x 105 Pa and the pipe radius is 2.80 cm. At the higher point located at y = 2.50 m, the pressure is 1.23 x 10° Pa and the pipe radius is 1.60 cm. P (a) Find the speed of flow in the lower section. Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. m/s (b) Find the speed of flow in the upper section. Your response differs from the correct answer by more than 100%. m/s (c) Find the volume flow rate through the pipe. 1m3/

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Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.