If a diver has been descending for 60 seconds, about how much pressure is being exerted on the diver?
Q: When a person inhales, air moves down the windpipe at 15 cm/s. Where the windpipe tightens, the…
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Q: The top of your head is about 30 cmcm above your heart. What is the blood pressure difference…
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Q: A 75.0 kg woman is wearing high-heeled shoes. The heel of each shoe is 0.503 cm2. If three-quarters…
A: Mass of woman (m) = 75 kg Area of heel of each shoe (A) = 0.503 cm2= 0.0000503 m2
Q: True or False? Pressure changes when one goes up and down in liquids, but not when one goes up and…
A: Pressure is defined as the force per unit area of a surface. When fluids are kept in containers,…
Q: The valve stem on a tire must exert a certain force on the air within to prevent any of that air…
A: Force exerted by the valve stem is directly proportional to the square of the diameter of the valve…
Q: In a classroom demonstration, the pressure inside a soft drink can is suddenly reduced to…
A: We must calculate the net inward force that the atmosphere's pressure has on the can's vertical…
Q: TRUE OR FALSE: The density of water (about 1000 kg/m³) increases only 1 percent if the pressure is…
A: Let ρ1 and P1 be the initial density and the initial pressure of water respectively. Since density…
Q: An exploration submarine should be able to descend 1200 m down in the ocean. If the ocean density is…
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Q: The wing of an airplane has an average cross-sectional area of 11 m2 and experiences a lift force of…
A: Given : cross-sectional area (Area)=11 m2 Lift force (Net force )= 72 000 N We have to find…
Q: An elevator has a height of 8 feet [ft] and a square floor area of 6 feet [ft] wide by 6 feet…
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Q: If the original volume of a solid block of steel was 2.4 m^3, what is the change in volume after…
A: volume of block V = 2.4 m3 Increase of pressure ΔP = 3.4x106 N/m2 K for steel = 1.6×1011 N/m2
Q: The atmosphere exerts a pressure of approximately 4.7lb/in^2 at the peak of mount everest. What is…
A: We know that, 1 lb = 0.45359 kg 1 in = 2.54 cm 1 cm = 1 x 10-2m Now, we have to do a conversion…
Q: A solid brick of density 4500 kg/m3 measures 0.15m x 0.20m x 0.10m. What amount of pressure does it…
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Q: What is the total pressure exerted on a submarine at a depth of 8.50 km in the Pacific Ocean? (The…
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Q: A large man sits on a four-legged chair with his feet off the floor. The combined mass of the man…
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Q: What is the pressure on a fish 20.4 m under the ocean surface? (Density of ocean water = 1025…
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Q: force on a nail with a diameter of 3/16 inches, generating a pressure (P1) of 2 kgf/cm2 on its…
A: A jackhammer exerts a force on a nail with a diameter of d1= 3/16 inches = 0.47625 cm The pressure…
Q: n the disaster movie, Airport 77, Flight 23 has crashed in the Bermuda Triangle and sinks to a depth…
A: We have givenDepth (h)=62 mAtmospheric pressure (Patm)=1.01×105 PaDensity of water (ρ)=1025 kg/m3
Q: A 72 kg man is wearing sneakers size 9 Narrow, which means that the sole of his shoe is…
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Q: A 89 kg man in a 5.3-kg chair tilts back so that all the weight is balanced on two legs of the…
A: A man tilting back in his chair such that his weight is balanced on the two legs of the chair. Hence…
Q: oman walks, her entire weight is momentarily placed on one heel of her high-heeled shoes. This…
A: Given m=63.5 kgA=1.4 cm2=1.4×10-4 cm2
Q: You feel additional pressure on your ears when you swim to the bottom of a swimming pool full of…
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Q: 68 kg person stands on snowshoes. If the total area of the 2 is 0.4m ^ 2 what is the pressure on the…
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Q: An airplane weighing 800 lb has a wing area of 120 ft². What difference in pressure on the two sides…
A: For the plane to be sustained in level flight, the pressure difference should be P=FA
Q: An airplane wing with an average cross-sectional area 10 m^2 experiences a lift force of 70 000 N.…
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Q: How high does the mercury (13.6 x 10³ kg/m³) rise when in a mercury barometer when the atmospheric…
A: Given that:- Density of mercury=13.6×10^3 kg/m^3 Atmospheric pressure=1.1×10^5 pascal
Q: In a classroom demonstration, an 820 N student lies on a bed of sharp, evenly spaced, vertical…
A: (a)The average force exerted by the nail on the student’s body is,Here, W is the total weight of the…
Q: What is the pressure inside an alveolus having a radius of 2.5X10^-4 m if the surface tension of the…
A: To find the pressure
Q: The pressure at the bottom of the Marianne Trench in the Pacific Ocean is about 1.8 × 10^8 Pa. Find…
A: Given that, pressure at the bottom of Marianne Trench is P = 1.8×108 Pa Suppose that volume of the…
Q: three legged stool supports a 89-kg person. If each leg of the stool has a cross-sectional
A: Mass of three legged stool is M=4.5 kg Mass of the person is m=89 kg Diameter of cross-section of…
Q: Atmospheric pressure in Denver is approximately 8.4 x 104 Pa. How large a force does the still air…
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Q: A friend asks you how much pressure is in your car tires.
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Q: A 75 kg woman balances on the heel of one shoe, whose area is 0.00005 m2 (a very small number). How…
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Q: The water pressure acting on a submarine at depth is 2.2 x 106 Pa. What is the magnitude of the…
A: Given data: The magnitude of pressure is P=2.2x106 Pa. The area of hatch door is A=0.88 m2.
Q: At a given instant, the blood pressure in the heart is 1.6X10 4 Pa. If an artery in the brain is…
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Q: Calculate the absolute pressure at an ocean depth of 85 m. Assume the density of sea water is 1 021…
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Q: Atmospheric pressure in Denver is approximately 8.4 x 104 Pa. How large a force does the still air…
A: Dimensions of window pane is 80 cm and 160 cmArea of the window is, A=80×10-2m×160×10-2m=0.128 m2
Q: schoolboy is trying to pump up a bicycle tire so that its pressure is 0.6 × 105 Pa above that of…
A: Given Pressure (P) = 0.6 × 105 Pa Diameter of circular piston (d) = 0.025 m Area of circular…
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