physic
posted by john .
Water flows through a 4.0cmdiameler horizontal pipe ata speed uf 1.3 m/s. The pipe then narrows down to a diameter of 2.0 cm. Ignoring viscosity, what is the pressure difference between the wide and narrow sections of the pipe

physic 
bobpursley
figure the flow in the smaller pipe using the law of continuinty
Speed1*area1=Speed2*area2
then, having the two speeds, use bernouli's equation to find pressure. 
physic 
Anonymous
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