problem14_87

# University Physics with Modern Physics with Mastering Physics (11th Edition)

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14.87: a) The speed of the liquid as a function of the distance y that it has fallen is , 2 2 0 gy v v + = and the cross-section area of the flow is inversely proportional to this speed. The radius is then inversely proportional to the square root of the speed, and if the radius of the pipe is , 0 r the radius r of the stream a distance
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Unformatted text preview: y below the pipe is . 2 1 ) 2 ( 4 1 2 4 1 2- + = + = v gy r gy v v r r b) From the result of part (a), the height is found from or , 2 ) 2 1 ( 4 1 2 = + v gy m. 10 . 1 ) s m 80 . 9 ( 2 s) m 2 . 1 ( 15 2 15 2 2 2 = = = g v y...
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