Physics

Problem

Oil of density

8.5\times10^{2}\,\text{kg\,m}^{-3}

flows steadily through a pipeline that rises 6.0 m and narrows from a diameter of 10 cm to 5.0 cm. In the lower (wider) section the flow speed is 1.5 m s

^{-1}

and the gauge pressure is 220 kPa. Assuming ideal flow, what is the gauge pressure in the upper (narrower) section? a)

2.6\times10^{2}\,\text{kPa}

2.0\times10^{2}\,\text{kPa}

1.6\times10^{2}\,\text{kPa}

1.7\times10^{2}\,\text{kPa}

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