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Water flows through a 4.0-cm-diameler 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 -

    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 -

    4.2

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