1. Find the mass and weight of the air in a living room at 20°C with a 4.0x5.0 m floor and a ceiling 3.0 m high. What are the mass and weight of an equal volume of water?

Q: 4) The physics for a 'bed of nails' The person on top has a mass 75 kgs. The 'bed' has 4500 nails…

A: Given Diameter D = 2 mm = 2 x 10-3 m Mass m = 75 kg Number of nails N = 4500

Q: 4. A light spring of constant k = 90.0 N/m is attached vertically to a table. A balloon (with empty…

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Q: What is the mass of air at 20 degree Celcius in a room with dimensions 3m by 4m by 5m? (P gir =1.20…

A: The volume of air in the room is, V=3 m×4 m×5 m=60 m3   The density of air, ρair=1.20 kg/m3

Q: spaceship lands on a planet where the atmosphere is completely made of water (p 1000 km). The ship…

A: Given Density = 1000 kg/m3  h = 20 m g = 20 m/s2

Q: Supposed that the force constant K in the pressure gauge is 350 N/m and the spring moved for 2.0 cm…

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Q: Question 2 A cylindrical vessel of 0.60 m diameter and 0.8 m height contains 3.2 kg of a gas. The…

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Q: Water flows at 0.25 L/s through a 10-m-long garden hose 2.5 cm in diameter that is lying flat on the…

A: Rate of flow of water,

Q: 2. A solid sphere has a diameter of 3.81 cm and a relative density of 0.089. It floats in water at a…

A: The diameter of the solid sphere is d=3.81 cm=3.81×10-2 m The relative density of the solid sphere…

Q: A 62.0-kg survivor of a cruise line disaster rests atop a block of Styrofoam insulation, using it as…

A: (b)Using Newton’s second law,

Q: How easy is it to breathe through a straw? When you breathe deeply, you pull in 4.0 L of air in…

A:

Q: 3. A spherical balloon is 50 ft in diameter and surrounded by air at 60 F and 29.92 in Hg abs. (a)…

A: "Since both questions are different as per bartleby guidelines we can author only first one please…

Q: 5. Given a cylindrical tank containing oil and water. The lower half is filled with water and the…

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Q: 82. A cylindrical air duct in an air conditioning system has a lengthof 5.5 m and a radius of 7.2 3…

A: Here, Q=280m310.0min1.0min60s=0.467 m3/s

Q: 2. On the planet Venus the temperature is 380 °C and the atmospheric pressure is 45 atm. Suppose…

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Q: 2. A lost shipping container is found resting on the ocean floor and completely submerged. The…

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Q: Scientists experiment with a balloon near a Himalayan fresh water lake at an altitude of 5000 m…

A: Given Data: Initial pressure is  P1=Patm2P1=1.01×105 Pa2P1=0.505×105 Pa

Q: A bubble of air is rising up through the ocean. When it is at a depth of 20.0 m below the surface,…

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Q: A hot-air balloon has a volume of 500 m'. The balloon moves upwards at a constant spced in air of…

A: Volume of hot air ballon (V) = 500 m3density of air (d) = 1.2 kgm3density of hot air inside (D) =…

Q: A large balloon of mass 226 kg is filled with helium gas until its volume is 325 m3. The density of…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: 1. What is the density of water at room temperature? A. 1000 g/ml C. 1000 g/cc B. 1 kg/m³ D. 1 g/cc

A: We are allowed to give the explanation of first question only which is given below.  Please repost…

Q: The lower end of a capillary tube of diameter 2-0 mm is dipped 8-00 cm below the surface of water in…

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Q: 2. A spherical balloon is 40ft in diameter and surrounded by air at 60 F and 29.92 in Hg abs. (a) if…

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Q: If the density of air is 1.3 kg/m3. What is the mass of air in an 8m×5m×4m room? a. 208 kg b. 210…

A: Given:Density of air = 1.3 kg/m3 Room dimension = 8m×5m×4m

Q: Water at four-degree Celsius flows through a pipe that has a conical shape and is sloping downward;…

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Q: 1. An office window has dimensions 3.8m by 2.5m. As a result of the passage of a storm, the outside…

A: solution as

Q: A hose for firefighters has an inner diameter of 10.0 cm. The pressure inside the hose is 400 kPa…

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Q: 1. A water jetpack suspends a 65kg man in air without motion along the vertical and the horizontal…

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Q: QUESTION 1 Calculate the volume (in m^3) of helium needed in a hot air balloon to lift at least 100…

A: Analyze the free body diagram of the given system. Here, FB, W1 and W2 represent the buoyant force,…

Q: 4. A square plate with edge length 9.10 cm and mass 488 g is hinged along one side. If air is blown…

A: Given data: Length of edge of plate, L=9.10 cm×1 m100 cm=0.091 m Mass of plate, m=488 g×1 kg1000…

Q: 4) Which of the following samples would take up the least amount of space if you had one kilogram of…

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Q: he highest building in Montreal is the ‘1 square building’, with a height of 203m.  The atmospheric…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: What is the gas pressure inside the box as shown?

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Q: A 2.5 g latex balloon is filled with 2.4 g of helium. When filled, the balloon is a 30-cm-diameter…

A: Formula of terminal velocity is as follows; vt=2mgρACd…

Q: A teenager in a large pool at a certain depth D, equipped with a full scuba gear, takes enough air…

A: Given  Pressure difference ∆P = 8.7 kPa  = 8700 Pa  Water density(ρw) = 1000 kg/m3   Let depth is…

Q: 4. A garden hose having an internal diameter of 3.5 cm is connected to a lawn sprinkler that consist…

A: A garden hose having an internal diameter of 3.5 cm is connected to a lawn sprinkler that consist…

Q: 3. A cylinder is fitted with a piston, beneath which is a spring, as in the drawing. The cylinder is…

A: Given data *The given spring constant of the spring is k = 3400 N/m *The radius of the piston is r =…

Q: 2. A cubical shaped container is full of water (density = 1000 kg/m'). If the mass of the water is…

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Q: 5. (:* ) Determine the atmospheric pressure acting on an open manometer if the height of the column…

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Q: Lets say your mass is 100 kgs. And lets assume you have the weird ability to stand on a quarter. The…

A: Given data: Mass, m=100 kg Diameter of the quarter, d=2.5 cm = 0.025 m

Q: Problem 2: A basketball is pressurized to a gauge pressure of PG = 55 kPa when at the surface of a…

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Q: 5. A balloon is released from a tall building. The total mass of the balloon including the enclosed…

A: 5) mass = 2 kg volume = 5 m3density of air = 1.3 kg/m3

Q: 2. (a) Calculate the absolute pressure at the bottom of a freshwater lake at a point whose depth is…

A: Depth,h=27.5 m Atmospheric pressure, P0=101.3 kPa Density of water, ρ=1.00×103kg/m3 Window diameter,…

Q: 4. A light spring of constant k = 90.0 N/m is attached vertically to a table. A balloon (with empty…

A:

Q: Q5: a. A steel bridge is built in the summer when the temperature is 35 C. at the time of…

A: 5.a) Given values: Initial given temperature T1 = 35oC Final given tenperature T2 = -40oC Initial…

Variation of pressure

From the equation of pressure, pressure is directly proportional to the applied force.