Atmospheric pressure in Denver is approximately 8.4 x 104 Pa. How large a force does the still air in an office exert on the inside of a window pane that is 80cm by 160 cm?
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Q: Atmospheric pressure in Denver is approximately 8.4 x 104 Pa. How large a force does the still air…
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- A large tub is filled with water, and it is found that the pressure at the bottom is 1) 1.12 x 105 Pa. The same tub is then filled with mercury. What is the new pressure at the bottom of the tub?A schoolboy is trying to pump up a bicycle tire so that its pressure is 0.6 × 105 Pa above that of atmospheric pressure. If the boy uses a hand-pump with a circular piston 0.025 m in diameter, how much force he should apply?By inhaling, a person can create a relative pressure of -60 mm Hg. How high can this person push water up through a straw?
- An airplane passenger has 100 cm3 of air in his stomach just before the plane takes off from a sea-level airport. What volume will the air have at cruising altitude if cabin pressure drops to 7.50 X 104 N/m2?The wing of an airplane has an average cross-sectional area of 13 m3 and experiences a lift force of 89,000 N. What is the average difference in the air pressure between the top and bottom of the wing ?(a) A submersible vehicle is in a lake at a depth of 26.6 m. What is the absolute pressure (in Pa) at this depth? The density of the water in the lake is 1.00 ✕ 103 kg/m3, and the air above is at a pressure of 101.3 kPa. ____Pa (b) The submersible vehicle has a circular window with a diameter of 40.0 cm. What force (in N) is exerted by the water on the window of the vehicle at the depth from part (a)? (Enter the magnitude.) ____ N