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Water is flowing at 4.00 m/s in a horizontal pipe under a pressure of 225 kPa. The pipe narrows to half its original diameter. Assume laminar non-viscous flow.
(a) What is the speed of flow in the narrow section?
m/s
(b) What is the pressure in the narrow section?
______ kPa
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q1. what are sunspots and how are they related to suns magnetic field? is a magnetic field stronger weaker in sunspots?
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