Numerade

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Q4 Hydrostatic Force GRADE/2.5 A 4-m-high, 5-m-wide rectangular plate blocks the end of a 4-m-deep freshwater channel, as shown in Fig.4. The plate is hinged about a horizontal axis along its upper edge through a point A and is restrained from opening by a fixed ridge at point B. Determine the force exerted on the plate by the ridge. 1 m 4 m B Figure4. Vertical gate

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Osmoconformers must have the same osmolarity as the water in which they live, and the solutes must be the same as the water around them. This is only true for vertebrates This is only for invertebrates True False

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After reviewing the resources for this module, answer the following questions:What are the benefits of a multi-layered approach to enterprise security?Pick one of the three risk domainspeople, process, or technologyto focus on and provide an example of a risk you could encounter in an organization. What is a potential solution to mitigate that risk?

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Write a function with return type Boolean and name it add. It must take 2 parameters both integers. It adds the two parameters and if its negative or 0 returns true otherwise false public boolean add(int a, int b) { int temp = a+b; if (temp < 0) return true; return false; } public boolean add (int a, int b) { int temp = a + b; if (temp <= 0) return true; return false; } public boolean add() { int temp = a + b; if (temp <= 0) return true; return false; }

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2 3 points Eukaryotes are what kind of cellular organism? Single Celled Multi Walled Double Celled Multi Cellular 3 3 points

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Health effects suffered by members of the public as a result of a hazard that is an inherent property of a material used or manufactured in a process would most likely be the result of (Select all that accurately complete the sentence and then click 'Submit.') Ingestion of a toxic chemical that enters a public water supply An explosion Direct contact with skin or eyes Entry into the blood stream through cuts Inhalation of a volatile toxic substance Thermal burns

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PROBLEM 3: A cylindrical specimen of stainless steel having a diameter of 12.8 mm and a gauge length of 50.800 mm is pulled in tension. Use the load-elongation data shown in the following table to (a) plot the engineering stress versus engineering strain curve; (b) compute the modulus of elasticity; (c) determine the yield strength at a strain offset of 0.002; (d) determine the tensile strength; (e) determine the approximate ductility in percent elongation; and (f) compute the modulus of resilience. Load (N) Length (mm) 0 50.800 12,700 50.825 25,400 50.851 38,100 50.876 50,800 50.902 76,200 50.952 89,100 51.003 92,700 51.054 102,500 51.181 107,800 51.308 119,400 51.562 128,300 51.816 149,700 52.832 159,000 53.848 160,400 54.356 159,500 54.864 151,500 55.880 124,700 56.642 Fracture PROBLEM 4: Determine the type of failure based on the fractographic features. Indicate the crack origin, direction of crack propagation, and region of final failure on the diagram. Give valid reasons for your decision.

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An infectious agent can indeed derive benefits from its host when the symbiotic relationship is mutualistic.

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The production department of Marks (Pty) Ltd has submitted the following forecast of units to be produced by quarter for the upcoming financial year: Units to be produced: 1st quarter: 12,000 2nd quarter: 10,000 3rd quarter: 13,000 4th quarter: 14,000 Each unit requires 0.2 direct labor hours, and direct laborers are paid R12 per hour. In addition, the variable manufacturing overhead rate is R1.75 per direct labor hour. The fixed manufacturing overhead is R86.

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Bob has 3 times as many nickels as Dawn has dimes. Bob has 50 cents more than Dawn. How much money does each have?

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