The pivot tube in the figure is used to measure the speed of air v in relation to an airplane. He is
consisting of an external tube with small side holes B that allow air to enter the
pipe. The outer tube is connected to an inner tube by a U-gauge that contains mercury of
density ρ = 13.6 kg / l. The inner tube has a frontal hole A. Due to the pressure difference
between the air in the inner and outer tubes, the liquid columns in the U-tube have a difference
height h, as shown in the figure. Consider air density at aircraft altitude
as ρair = 0.93 kg / m3
. The plane's speed in relation to the air is worth 180 m / s. Determine the
height of the mercury column h.
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![](https://es-static.z-dn.net/files/d14/63e170125928e42e38a2238bd1477d48.jpg)
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habla en español.... please
magic7778:
si
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