). Assume that lungs in general are capable of producing a gauge pressure of -0.3 atm. Chris is drinking a glass of water with a very long straw. If one end of the straw is at the bottom of the glass, and the glass is filled with 15 cm of water, what maximum vertical length could the straw be while still being functional? (One atmosphere of pressure is equal to 101,325 pascals). Explain your answer.

). Assume that lungs in general are capable of producing a gauge pressure of -0.3 atm. Chris is drinking a glass of water with a very long straw. If one end of the straw is at the bottom of the glass, and the glass is filled with 15 cm of water, what maximum vertical length could the straw be while still being functional? (One atmosphere of pressure is equal to 101,325 pascals). Explain your answer.

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1. Some species of whales can dive to depths of 800m. What is the total pressure they experience at this depth? (The density of sea water = 1020 kg/m, and 1 ATM =10° N/m)
A fun toy for all ages is the bottle rocket. The one in the picture was made by adding fins to a standard soda bottle. The bottle is partly filled with water and then highly pressurized.The density of the water is ? = 1000 kg/m3. The height at the top of the water is y1 = 0.058 meters, and the gauge pressure above the water is 771500 Pascals. We will treat the soda bottle as a "tank" so that the velocity of the water inside is negligible. The radius of the opening at the end of the water bottle is r = 0.006 meters. Determine all the following:The velocity of the water at the exit of the bottle: v = ?m/s The mass rate of flow of the water at the exit: ? kg/sec The volume rate of flow of the water at the exit: ? m3/sec
24) As shown in the figure, a large open tank contains a layer of oil (density 450 kg/m) 24) floating on top of a layer of water (density 1000 kg/m3) that is 3.0 m thick, as shown in the sketch. What must be the thickness of the oil layer if the gauge pressure at the bottom of the tank is to be 8.5 x 104 Pa? oil 3.0 m water Sketch: Fguations: Dah
3. In scuba diving, a regulator is used so that the pressure of the air the diver breathes is close to that of the ambient water. A reckless swimmer decides to use a hose sticking out of the surface to breathe underwater while diving in a lake. When the air pressure in the lungs is at a pressure of around 0.155 atmospheres below the ambient pressure, lung injury may occur. Find the depth at which the swimmer would experience such a pressure differential.
The pressure exerted by a phonograph needle on a record is surprisingly large, due to the very small width of the needle. a) If the equivalent of 1.05 g is supported by a needle, the tip of which is a circle 0.19 mm in radius, what pressure is exerted on the record, in pascals?
1. A nozzle with a diameter of 0.500 cm is attached to a garden hose with a radius of 0.900 cm. Water was flowing horizontally and frictionless from the garden hose at 1.50 m/s. If the absolute pressure in the nozzle is 1.01 x 105 N/m² (atmospheric, as it must be), what is the exit pressure in the hose? (modified from Ling et al., 2018, Example 14.5)
can you please do 2, 3 only. thanks
A liquid-filled tube called a manometer can be used to measure the pressure inside a container by comparing it to the atmospheric pressure and measuring the height of the liquid. Such a device (filled with water) is shown in the figure, measuring the pressure inside a balloon filled with an unknown gas. The water level on the side of the manometer which is open to the air is 22.3 cm higher than on the side connected to the balloon. a) Find the gauge pressure in the balloon, in units of Pa. Recall the density of water is 1000 kg/m3. b) Find the absolute pressure in the balloon, in units of Pa.
1. Suppose a person is 182 cm tall. A typical blood pressure is often given as 110/70 mm Hg, with a mean pressure of 80 mm Hg. A. Do you think this is the gauge pressure or absolute pressure? Why? If the pressure at the top of the head is about 39 mm Hg, how far away is this person's head from the heart? Assume the density of blood is about 6% higher than that of water. t, What then would be the blood pressure.of this 6, person at their feet? b. Suppose this person suffers a puncture wound around the same height as the heart where the opening is about 3 mm in diameter. How far could blood shoot from their body assuming it comes out horizontally with 0 m/s initial horizontal velocity? %3D = 0.754 Since horizontal velocity is zero it will not go eny for than body Please explain the variábles used in the equation to solve for F= P.A in partad of this question. Comment > Thank yo!!
Please help me on sixth question according table and figure. Solve it using vectors.
1a) Calculate the mass of a solid gold rectangular bar that has dimensions lwh = 4.80 cm ✕ 14.0 cm ✕ 23.0 cm. (The density of gold is 19.3 ✕ 103 kg/m3.) kg = 1b) The four tires of an automobile are inflated to a gauge pressure of 2.1 105 Pa. Each tire has an area of 0.024 m2 in contact with the ground. Determine the weight of the automobile. N =