Spec: Material: Lasagna, fettuccine noodles, and hot glue - Height: 45.60cm - Mass: 212g - Prediction: 30N - · Actual: 46N
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- c) Calculate the rise of a liquid of density p= 0.8 g cm-³ inside a square straw, with the cross section given by a square of side L = 2 mm. The surface tension for the solid- liquid interface is st = 200 mJ m-2 and for the solid-gas interface Ysg = 250 mJ m-².Find the cross-sectional-area of a hole in a tank (volume 0.034 m, the rate change of density = 2.5 kg-m-s", p = 6800 kPa, T = 28 C°, v = 355 m-s). %3DA vessel going from salt to freshwater sinks 5cm, then after burning 500kn of coal rises 2.5cm. What is the original weight of the vessel? Assume that the cross-sectional area of the vessel near the water surface is constant. Unit wt of seawater=10.10 kN/m^3.
- can you please find the solution for this question.also free body diagram and units check is needed(b) The uniform cross-section of a barge with a semi-cylindrical hull floating in water is shown schematically in Fig. 2b. The barge extends to 15 m "into the paper". The draft of the barge is 4 m. Five struts are uniformly distributed in the direction "into the paper" to support the horizontal compressive load on the hull. struts x 5 3m 4m Figure 2b (i) Determine the total mass of the barge. (ii) Determine the magnitude of the compressive force that each strut must resist.whata the answer
- The largest animal is found in sea as it requires no energy to support its weight by using hydrostatic principle. However bird has to support its own weight by using Bernoulli principle to create pressure difference while in flight. Bird cannot be very large and there are also fewer species of large bird than small bird. The reasons are: (i) (ii) There is less food in the air than in the sea. The bone structure of the bird has to be light and it is structurally more difficult to maintain the strength to weight ratio as the bird becomes larger. The lift and drag on a bird is due to viscous and pressure forces. They are surface forces proportional to the length square while the weight of a bird due to gravity is proportional to the length cube. At large length scale, length square is much smaller than length cube and it becomes difficult to generate lift to support a bird in flight. (A) (B) (C) (i) and (ii) (i) and (iii) (ii) and (iii) All of the abovePlease give me right solution according to the question Estimate the pressure in kPa at the mid-length (point A), and draw the EGL and HGL.A commpon way of salvaging cannons from old wreacks is to attach an inflatable balloon filed with air. Assume that the cannon is a solid cylinder of iron which is 1.30m long with a radius 17.3cm. The density of iron is 7.87g/cm^3. a. If an air bag were filled twice the volume necessary, what will be the tension in the rope between the air bag and the cannon when the air bag reaches the surface and comes to rest? What volume of air bag wil be floating above the water surface?
- A tall open-topped standpipe has an inside diameter of 1590 mm and a wall thickness of 6.4 mm. The standpipe contains water, which has a mass density of 1,000 kg/m³. (a) What height h of water will produce a circumferential stress of 15.2 MPa in the wall of the standpipe? (b) What is the axial stress in the wall of the standpipe due to the water pressure? Answers: (a) h = i m. (b) Jaxial = i MPa.Problem 3 A gate is 1.5m in width and hinged at point A. Another point on the gate, B, is resting against a smooth wall. What is the total hydrostatic force (due to the seawater, SG=1.03)? What are the reactions on points A and B, neglecting the weight of the gate? [21 8kN, 180KN, 191KN) Seawater Wall SG-1.03 gate 2m 3m HingeA tall open-topped standpipe has an inside diameter of 2010 mm and a wall thickness of 6.7 mm. The standpipe contains water, which has a mass density of 1,000 kg/m³. (a) What height h of water will produce a circumferential stress of 16.1 MPa in the wall of the standpipe? (b) What is the axial stress in the wall of the standpipe due to the water pressure? h Answers: (a) h = i m. (b) Jaxial- i MPa.