QUESTION

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2) The $U$-tube in the figure rotates at $2.0 \mathrm{rev} / \mathrm{s}$. Find the absolute pressures at points $C$ and $B$ if the atmospheric pressure is $101.325 \mathrm{kPa}$. 1 foot $\approx 0.3048 \mathrm{~m}, 2.5$ feet $\approx 0.762 \mathrm{~m}, \rho=1000 \mathrm{~kg} / \mathrm{m}^{3}$.

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