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A coast guard helicopter hovers between an island and a damaged sailboat. How would you calculate the direct distance between the helicopter and the sailboat?From the island, the angle of elevation to the helicopter is 73 degrees.From the helicopter, the island and the sailboat are 40 degrees apart.A police rescue boat heading toward the sailboat is 800 m away from the scene of the accident. From this position, the angle between the island and the sailboat is 35 degrees.At the same moment, an observer on the island notices that the sailboat and the police rescue boat are 68 degrees apart.Explain how you would calculate the straight-line distance, to the nearest metre, from the helicopter to the sailboat. Justify your reasoning with calculations.
Physics two skaters with masses of 65 kg and 45 kg, respectively stand 8.0 m apart each holding one end of a rope.
After integrating and getting C1 and C2 for the equationsof slope and deflection,Why do we use x=0 and y=0 to figure out C2, But we don't use those same boundary conditions for finding C1?
Calculate the peak bending moment for the 4x10 roof beam. Then draw a clear dimensioned FBD for the two exterior bearing walls above the floor joists, no moment calcs here.
Steam locomotives require water at such rates that the storage tank behind the locomotive was refilled at 100 mile interverals. one technique used was to place a long tank between the rails and the water the water would be scooped up as the locomotiv..
There are three reactors degrading a chemical biologically, at three degradation rates; i.e., 0.2 d^-1, 0.4 d^-1, and 1.0 d^-1. The residence time of the chemical in these reactors are 10 d, 5 d, and 55 d, respectively
A plastic bar fit snugly between rigid supports at room temp. (68)but with no initial stress. When the temperature of a bar israised to 160 F the compressive stress on an inclined plane pqbecomes 1700 psi. a) What is the shear stress on the planepq? ..
You are to perform a dynamic pile load test on a24-inch OD open ended homogeneous pipe pile. The pile has a shellthickness of 0.5 inch and is 80 feet long. Calculate: Compression wave velocity(hint: E=29x106 psi, g=490 pcf)
Calculate the Air flow required in CFM to transfer 5,396 BTU/Hour in an HVAC duct given that the temperature difference (Delta-T) between the room and the supply air is 21 DegF.
A gas stream with a particulate loading of 20.0g/m^3 is passed through a 70%-efficient cyclone followed by a 95%-efficient ESP. Calculate the overall efficiency of the system.
If A and B are both made of wood and are 3/8 in thick, determine to the nearest ¼ in the smallest dimension h of the support so that the average shear stress does not exceed \tauallow = 300 psi.
A pump for a wastewater treatment plant has a motor with a nameplate rating of 20 HP. When the pump operates the measured power draw is equivalent to 15 HP. The pump operates 80% of the time.
Head loss and sunshine striking a pipeline cause the temperature of the water flowing inside to rise by 2 degrees Celsius between two measuring points. Find the heat gain in J/N and cal/N.
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