tank pump h Applications of Pressure R202 5.An unknown gas is trapped in the device shown by a column of water (dark gray). The difference between the heights of the water column is 25 cm. Determine the pressure of the unknown gas. ABPP=0unkPPghρ=+( ) ( )( )( )51 101000 9.8 0.25unkP=×+102450PaunkP=6.A barometer is taken into the mountains where the height of the mercury column is 65 cm. What is the atmospheric pressure? =0Pgh=( )( )( )3013.6 109.8 0.65P086632PaP=7.A U-shaped tube is filled with mercury and filled with mercury. Water is poured into the left side of the tube. When equilibrium is reached the mercury in the right side of the tube
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