The figure below shows 5 containers of water. A and B have the same height, as do C and E. A and E have the same area on the bottom, as do B and C. D has the largest area and the lowest height. Rank the pressure at the bottom of each container, from least to most (least occurs first, most occurs last). A. B D E O D, A=B, C=E O C=B, A=E, D OD, С, В, А, Е ОС, В, А, Е, D OD, A-B, С, Е
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- A house weighs 12,000 pounds. a. Air normally has a density of 1.29 kg/m^3 but at 250 degrees air has a density of 0.9 kg/m^3. What volume of hot air balloon is needed to float this house off the ground? b. At standard temperature and pressure Helium has a density of 0.16 kg/m^3. How many 30 cm diameter helium balloons will it take to float the house?A chemistry graduate student is designing a pressure vessel for an experiment. The vessel will contain gases at pressures up to 150.0 MPa. The student's design calls for an observation port on the side of the vessel (see diagram below). The bolts that hold the cover of this port onto the vessel can safely withstand a force of 2.80 MN. W 0 -pressure vessel cm bolts port Calculate the maximum safe diameter w of the port. Round your answer to the nearest 0.1 cm. zide TO 0.P d 220The figure below shows 5 containers of water. A and B have the same height, as do C and E. A and E have the same area on the bottom, as do B and C. D has the largest area and the lowest height. Rank the pressure at the bottom of each container, from least to most (least occurs first, most occurs last). AVİLI O D, A=B, C=E O C=B, A=E, D OD, С, В, А, Е ОС, В, А, Е, D O D, A-B, C, Е
- A vacuum-style lift assist exerts a vertical force on an object by attachment of one or more suction cups to the top of that object. For a lift with four suction cups to provide at least 500 N of lifting force, what is the minimum vacuum pressure (mm Hg) allowable inside each 76-mm-diameter cup attached to the object? Pcup i mm HgYou fill a balloon with helium and let it go. It floats up into the air, where it is essentially floating in a pool of air. Why does the helium filled balloon float in air? Make sure you use the words ‘buoyancy’, ‘density’ and ‘volume of displaced ‘air’ in answering this question.B