What volume of air at an atmospheric pressure (1.01 * 10^5 N/m^2 ) is needed to fill a (14.2) liter scuba tank to a pressure of 1.45 * 10^7 N/m^2
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- You come across an open container that is filled with two liquids. Since the two liquids have different densities, there is a distinct separation between them. Water, which has a density of ?w=1.00×103 kg/m3, fills the lower portion of the container to a depth of 0.215 m. The fluid that is floating on top of the water is 0.307 m deep. If the absolute pressure on the bottom of the container is 1.049×105 Pa, what is the density, ?l, of the unknown fluid? The acceleration due to gravity is ?=9.81 m/s2 and atmospheric pressure is ?0=1.013×105 Pa.(a) A large, open at the top, upright cylindrical tank contains a brine with a density of 1.23 x 10° kg/m³. If the air pressure is 101.3 kPa, determine the absolute pressure (in Pa) in the fluid at a depth of 31.0 m. 373775.3 The absolute pressure at any point in the fluid is the sum of atmospheric pressure and the pressure due to the depth of the fluid. Did you remember to account for atmospheric pressure? Pa (b) Determine the force (in N) exerted by only the fluid on the window of an instrument probe at this depth if the window is circular and has a diameter of 3.30 cm.A 72.0-kg man lies on his back on a bed of nails, with 1,202 of the nails in contact with his body. The end of each nail has area 1.14 ✕ 10−6 m2. What average pressure is exerted by each nail on the man's body?
- The air above an airplane wing moves faster than the air below it. A certain airplane wing has an area of 124m^2. The wind speed above the wing is 258m/s and below it is 220m/s. Assuming that the elevation and air density (1.23kg/m^3) are approximately the same at these two points, what is the pressure difference caused by the wind speeds? What is the lift force on the wing?What is the pressure at a depth of 150 m in the ocean? The density of seawater is 1. 03 × 10 3kg/m3. Please express your answer in units of atm.A horizontal pipe has diameter of 3.39 cm in one portion in which the pressure is 6,215 Pa and the speed of flowing water is 1.6 m/s. Another section of the same pipe has a diameter of 2.4 cm. What is the pressure in the narrower region if the density of water is 1000 kg/m3?
- You are with an excursion party on an exploration of the surface of Mars. You find a small lake of water of that 1.76 m. Assume the density of the freshwater is unchanged on Mars. You measure the absolute pressure at the bottom of the lake to be one 161,800 Pa. What is the absolute pressure (in atm) at the surface of the lake. Assume the value of G on Mars is 3.72 m/s^26The gauge pressure at a location is measured as 903 mmHgmmHg (mm of mercury), what is this pressure at this location in Pascal? Given that the density of mercury is ρ=13,600kg/m3ρ=13,600kg/m3 and the gravitational acceleration is g=9.81m/s2g=9.81m/s2.