The barometric pressure at sea level is 760 mm of mercury while that on a mountain top is 735 mm. if the density of air is assumed constant at 1.2 kg/m³, what is the elevation of the mountain top?
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- At the surface of a freshwater lake, the pressure is 105 kPa. Required information What is the pressure increase in going 44.1 m below the surface? The density of fresh water at 4°C is 1.00 x 10³ kg/m³. краThis is a mercury U-tube*acceleration = 4.905 m/s^2 to the right What is the gage pressure at A? in kPa3. Due to its slight compressibility, the density of water varies with depth, although its bulk modulus K= 2.20 GPa (absolute) can be considered constant. Accounting for this compressibility, determine the pressure in the water at a depth of 300 m, if the density at the surface of the water is p = 1000 kg/m³. Compare this result with assuming water to be incompressible. %3D
- The volume of a rock is found to be 0.00015 cu.m. If the rock's specific gravity is 2.6, determine the weight of the rock. A) 8.21 N В 12.67 N C 3.83 N 19.78 N E No Answer among the choicesThe bottom of a river is 37 ft. below the water surface, Underneath the bottom of the river is a layer of silt which has a specific gravity of 1.79. If a pressure of 77 lb.per sq. in. is recorded at a tunnel at the bottom of the silt layer, how thick is this layer of silt in ft. ? Round your answer to 2 decimal places.Two barometers are put at the same location. The specific weight of liquid of the first barometer is γ1 = 10.77 kN/m3, and the specific weight of the second one is γ2 = 11.06 kN/m3. If the liquid height to the freesurface of the first barometer is h1 = 8.26 m, calculate the liquid height of the second barometer, h2_______m
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- a) plot the variation of active pressure along the wall and b) determine the magnitude and location of the active force for a 5 ft segment of the wall.Question 39 A lake has a maximum depth of 60 m. If the mean atmopheric pressure in the lake region is 91 kPa and the unit weight of the lake water is 9790 N/m³, the absolute pressure (in kPa, round off to two decimal places) at the maximum depth of the lake is.a block (unit weight = 19.5 kn/m3) 0.55m square and 479mm deep floats on a stratified liquid composed of a 200mm layer of water above a layer of mercury (s.g. = 13.6). determine the position of the bottom of the block relative to the mercury surface in mm.