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For 2 dimensional flow in a frictionless pipe, the upstream velocity is 2.5 m/s in a pipe of diameter 20cm. The pipe diameter is

For 2 dimensional flow in a frictionless pipe, the upstream velocity is 2.5 m/s in a pipe of diameter 20cm. The pipe diameter is contracted gently to 15cm. What is the new downstream velocity? A 3.33 m/s B C 13.95 m/s 1.41 m/s D 4.44 m/s Jy

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