A 16,000-ft³ hydrogen balloon’s cargo and structure have a mass of 650 lbm. What must be the initial sand mass to prevent lift-off? Assume 14.7 psia and 55°F.

Q: The forces acting on the airplane in (Figure 1) are its weight W = 28,000 lb, thrust T = 20,200 lb,…

A: Given data is

Q: PROBLEM 7: A tanker carries 190000 barrels of motor gasoline in its hold. Determine the weight of…

A: Given data,  Number of barrels, n= 190000  S= 0.720  Volume of each barrel v= 159 litre =0.159 m³

Q: Problem 4 What is the specific weight of air at 480 kPa absolute and 21°C?

A:

Q: 26. Determine the pressure exerted on the surface of submarine cruising 175ft below the free surface…

A: Depth of submarine surface, H = 175 ft Atmospheric pressure, Patm = 14.7 psi Specific gravity of sea…

Q: According to the National Wildlife Federation, the polar bear is the largest terrestrial carnivore…

A:

Q: A 150 lbm human total footprint is 0.9 square feet when the person is wearing boots. If snow can…

A: Given   Mass, m = 150 lbm  Pressure, P = 1 psi = 32.174 lbm/s2.in2 Find   Area of total snowshoe, A…

Q: A cube 2.2 feet on an edge has its lower half of s.g. = 4.8 and upper half of s.g. = 2. in a…

A: Given6A=4.86B=2.96C=4.66D=3.95

Q: The figure below shows a river scow. The scow floats with  submerged.  The center of gravity  is at…

A: Given data as per the question X =4 m H =10 m L =25m

Q: 1. A spherical balloon is 40ft in diameter and surrounded by air at 60 F and 29.92 in Hg abs. (a) if…

A:

Q: Q5. Determine if the concrete wall shown is safe. The specific gravity of concrete is 2.4 and…

A: SPECIFIC GRAVITY OF CONCRETE =2.4   friction =0.7=μαw=unit weight of waterαw=9.81 kN/m3vertical…

Q: →→Consider a 40 kg child going down a water slide, who's path is given by r(t) = 0.01 t³ m 8(t) =…

A:

Q: Questions: 1. Please explain the following definitions and concepts a. Absolute Ceiling b. Corner…

A: definitions and concepts of a. Absolute Ceiling b. Corner Velocity c. Cruise Altitude d. Level…

Q: 9. A block of woo having a volume of 0.034 m³ and weighing 300 N is suspended in the water as shown.…

A:

Q: 18. A meteorologist states that the atmospheric pressure is 28.5 inches of mercury. Convert this…

A:

Q: A completely submerged body is considered to be in stable equilibrium if * 14. Mark only one oval.…

A: Option (b) is correct. A completely submerged body is considered to be in stable equilibrium if the…

Q: 9. A body submerged in a fluid A. Will always displace the fluid of its volume C. May loose its mass…

A:

Q: q6 A 1 kg cylinder of plastic has a length of 105 mm and a diameter of 40 mm. Calculate its specific…

A:

Q: ppose Ma igdeburg hollow sphere with a hollow cube, with a volume of 1 cubic foot. The cube is…

A:

Q: A wooden pole (S.G. of WP = 0.86), 507 mm in diameter (D), has a concrete cylinder (S.G. CC =…

A:

Q: M G' 1.2m A cylindrical log (2m in diameter, 1.2m high, and weighing 10.5 kN) floats in water. Its…

A: Given data Cylindrical log of weight 10.5 kN floats in water. Center of gravity of cylindrical log =…

Q: 9. Resolve the weight Winto components parallel and perpendicular to the inclined plane.

A: Given data as per questionW=175 lb

Q: 1. A child is sliding down a hill at a constant speed. Based on this information, draw a free body…

A: (1) Child is taken as block on the hill. Child is sliding with constant speed mans it will not have…

Q: Q#1: What are the conditions of equilibrium for floating and submerged bodies

A: A submerged or floting body is stable if it comes back to it's original position after given a…

Q: 13. On a sea-level standard day, a pressure gage, moored below the surface of the ocean (SG =…

A:

Q: 27. A 65-kg woman wishes to walk on the muddy soil in able to cross her way but the mud cannot…

A: The solution of the above question can be obtained by applying the mathematical formula for the…

Q: voman wishes to walk on the muddy soil in able to cross her way b essure greater than 0.47kPa.…

A: The solution of the above question can be obtained by applying the mathematical formula for the…

Q: Q//ron cube immersed in water Totel surface area 36 m tinds the buoyane force f the cubdD

A: Given data Surface area of cube = 36 m2

Q: 5. A manometer with arms of unequal diameters have cross sectional areas of 10 cm² and 5 cm²,…

A:

Q: [Stability] A 10-cm by 10-cm wood (sg = 0.65) with a length of 2 m is placed in water. Determine the…

A: Given data  cross-section dimension of wood is 10 cm*10cm the specific gravity of wood (S.G) = 0.65…

Q: The water in a tank is pressurized by air, and the pressure is measured by a multifluid manometer as…

A:

Q: Abbot and Costello are transporting a 0.125m3 cubic block along a ramp inclined at 20°. They tied…

A: Given: Volume of cube is 0.125 m3. Mass of the pole arm is 2 kg.  Length of the pole arm is 3 m.…

Q: What is the difference in pressure between points B and A? p. - 1000

A: Density of water, ρw=1000 kg/m3 Oil specific gravity, SGo=0.9 Specific gravity of Mercury, SGM=13.6…

Q: A ship weighing 7200 tons has a KG of 5.20 m, a KB of 3.12 m and a KM of 5.35 m. In the voyage, has…

A:

Q: What minimum pressure is required to force blood from the heart to the top of the body if the…

A: d=7cm ρ=1.04 g/cm3

Q: 1. What are the definitions of the total pressure P and the total temperature T, ?Give the physical…

A: Total pressure (P0): The pressure which is the sum of total static pressure, dynamic pressure and…

Q: Q3: Determine the friction force between the floor and the crate that has a weight of W= 250 N, if…

A: Given, μs=0.32μk=0.25

Q: 4.The information on a can of soda indicates that the can contains 355 mL. The mass of the full can…

A: The given information in the problem is shown in the following attached image:

Q: It is planned to lift and move logs from almost inaccessible forest by means of balloons. Helium at…

A: Answer:  minimum diameter of balloon = 33.52 m

Q: A 150 Ibm human total footprint is 0.7 square feet when the person is wearing boots. If snow can…

A: Given, Mass (m) = 150 lbm Total foot print Area = 0.7 ft2 = Pressure of snow = 2 psi = 288 lbf/ft2…

Q: A 300-lb regular bed that is supported by four legs has for each leg a circular cross section of…

A: To Find : The pressure does this bed exert on the floor . Given : The weight of bed is  W=300 lb…

Q: Answer q1c. Qa was sent previusly if you need to refer to any calculations

A: