Let's begin with a simple calculation of the weight of air using density. Find the mass of air and its weight in a living room that has a 4.4m×6.1m floor and a ceiling 3.5 m high. What volume of water would have a mass equal to the mass of air in the room?

Q: If a liquid is contained in a tank, pressure at the bottom of a tank is given by: p= pgh, where p is…

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Q: A trash compactor can reduce the volume of its contents to 0.350 their original value. Neglecting…

A: Given:  Vi = V  Vf = 0.35 V

Q: blood flows through the aorta at an average speed of v=18 cm/s. The aorta is roughly cylindrical…

A: The answer is below

Q: A future rectangular ship (tanker) filled with oil. If the dimensions of the ship are (250 m) long,…

A: Buoyant force=weight of ship Buoyant force =weight of displaced fluid.

Q: In a car lift used in a service station, pressure is transmitted by an incompressible liquid from a…

A: Given values: Radius of the small piston, r1=5.00 cm Radius of the large piston, r2=15.0 cm Force on…

Q: A rain gauge consists of a funnel with a diameter D = 10 cm that collects rain and deposits liquid…

A: The density of a fluid is a scalar quantity that means it has only the magnitude and no direction to…

Q: A hose shoots water straight up for a distance of 2.5 m. The end opening on the hose has an area of…

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Q: Suppose blood is pumped from the heart at a rate of 4.9 L/min into the aorta of radius 1.1 cm.…

A: pumping rate of blood = 4.9L/min = 4900 ml/min = 4900 ml/60 sec = 81.67 ml/sec = 81.67 cm3/secRadius…

Q: A trough has an open top 0.30 m by 6 mand closed vertical ends which are equilateral triangles 30 cm…

A: The length of the trough is L=6 m The top width of the trough is B=0.30 m The sides of the trough is…

Q: Due to the water crisis that hit your area of residence last year, your landlord build an…

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Q: A block of wood with dimensions 20 cm x 10 cm x 5 cm is floating in a lake. If the wood has a mass…

A: given: dimensions of wood block = 20cm x 10cm x 5cm = 0.2m x 0.1m x 0.05m mass of block m =750g =…

Q: The pressure in the atmosphere is not a constant but fluctuates as the weather changes. If the…

A: The pressure difference is 7.3% atm or 0.073 atm. Now 1 atm=1.013×105 Pa=1.013×105 N/m2 Hence the…

Q: Calculate the hydrostatic difference in blood pressure between the brain and the foot in a person of…

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Q: .A gold doubloon 6.1 cm diameter and 2.0 mm thick is dropped over the side of a pirate ship. When it…

A: Given : Diameter of the gold double on, d = 6.1 cm = 0.061 m Thickness of the gold dobson, t = 2.0…

Q: Water flows through a hose of diameter 4 cm at 10 m/s.  How long will it take to fill a rectangular…

A: Given Data: The diameter of the hose is: d=4 cm=4×10-2 m The speed of the flow is: v=10 m/s The…

Q: A supertanker filled with oil has a total mass of 6.1 x 10^8 kg. If the dimensions of the ship are…

A: Given data: Total mass m =6.1×108 kg Length l=300 m Width, b = 80m Height h =40 m The density of…

Q: A block of wood with the dimensions 0.2 x 0.3 x 0.5 cubic meters floats along a river with the…

A: Given data:  Dimensions of block= 0.2×0.3×0.5 cubic meters Floats on river, broadest face facing…

Q: The Earth's atmosphere at sea level and under normal conditions has a pressure of 1.01x105 Pa, which…

A: Given Pressure P = 1.01 x 105 Pa Length l =12.7 m Width b = 11 m

Q: A cylinder swimming has a radius 2m and depth 1.3m. It is filled with salt water of specific gravity…

A: Given:-              pool depth h  = 1.3 m                 specific gravity ofsalt water s = 1.03…

Q: A spherical balloon has a radius of 11.5 m, and is filled with helium. How large a cargo can it…

A: radius of balloon = 11.5 m volume of balloon = V = 4/3 π R3= (4/3)π(11.5)3 = 6370.6 m3 Mass of…

Q: 3.9. A Nissan engine has a piston displacement (volume) of 1600 cm and a bore diameter of 84 mm.…

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Q: A balloon having a mass of 400 kg remains suspended motionless in the air. If the air density is…

A: Answer :-  Given  Mass of a balloon (M) = 400 kg  Density (d) = 1.29 kg/m3  Volume (V) = ?  We know…

Q: A future rectangular ship filled with oil. If the dimensions of the ship are (250 m) long, (80 m)…

A: Given: Mass of the ship with oil is 10.2×108 kg. Length, breadth and height of the rectangular ship…

Q: The Earth's atmosphere at sea level and under normal conditions has a pressure of 1.01x105 Pa, which…

A:

Q: By how much does the density of air increase when it is compressed to half its volume?

A: Formula for the density is:

Q: An open cylindrical tank with a diameter of 5 m. has Water (s.g. = 1.00, h = 3.5m), Oil (s.g. =…

A: diameter of tank= 5 m We have been provided with 4 different liquids so, we will arrange them in…

Q: Consider an airplane with a total wing surface of 100 square meters (m2). At a certain speed the…

A: Given atmospheric pressure = 100 K Pa = 100 ×103 Pa      = 105  Pa Area A =100 m2

Q: Assuming biological substances are 100% water, estimate the mass of a fly. Take a fly to be roughly…

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Q: A water pipe has a diameter of 1 inch and is constricted to 0.5 inches. If water flows from the…

A: The given values are, d1=1 ind2=0.5 inv1=78.720 in/s

Q: A future rectangular ship (tanker) filled with oil. If the dimensions of the ship are (250 m) long,…

A:

Q: A 3-kg plastic tank that has a volume of 0.2 m³ is filled with liquid water. Assuming the density of…

A: Given: The mass of the tank is 3 kg. The volume of the water is 0.2 m3. The density of water is 1000…

Q: Find the total force of water pressure exerted on the glass wall of an aquarium with the following…

A: we first need to find the pressure exerted on the cross section by the water on one side of it.…

Q: What does it mean to say that the density of gasoline is 680 kg/m3?

A: Given: The density of gasoline is ρ=680 kg/m3.

Q: 3.10 As shown, an air space above a long tube is pressurized to 50 kPa vacuum. Water (15°C) from a…

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Q: An object is to be measured using a basic barometer. If the reading at the top is 730.38 mm and at…

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Q: There is a brass cylinder weighing 1.000 kg, has a diameter of 0.047 meters, and it is 70 mm tall.…

A: Given data:  Mass of brass cylinder (m) = 1.000 kg Diameter (d) = 0.047 m Height (h) = 70 mm = 0.070…

Q: A circular swimming pool has a diameter of 10 meters, the sides are 3 meters high, and the depth of…

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Q: Calculate the hydrostatic difference in blood pressure between the brain and the foot in a person of…

A: Hydrostatic pressure difference

Q: A tank is filled with oil whose density is r 5 850 kg/m3. If the volume of the tank is V 5 2 m3,…

A: The density of the oil,

Q: Calculate the volume (in m^3) of helium needed in a hot air balloon to lift at least 100 kg of load.…

A: Given: Mass m = 100 kg Density of helium He = 0.179 kgm3 Density of air = 1.29 kgm3 To determine:…

Q: The volume flow rate in an artery that supplies blood to the brain is 3.20 ✕ 10−6 m3/s. If the…

A: V=Avv=VA=3.20 ✕ 10-6 m3/s8.90 ✕ 10-5 m2=3.60×10-2 m/s

Q: Calculate the volume (in m^3) of helium needed in a hot air balloon to lift at least 100 kg of load.…

A:

Q: Compute the volumetric decrease of 1.8 m³ of water subjected to a pressure of 5 x106 N/m2. The B for…

A: the bulk modulus is defined as Bulk modulus B = PressureStrain=-P∆VV

Q: A 1800 N balloon is filled with 2800m^3 of hydrogen having a specific weight of 1.5 N/m^3 A. What…

A: The lifting force from a hot air balloon depends on the density difference between balloon air and…