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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.
Our ESP is collecting 95% of the particles in our exhaust stream. We are under pressure to improve its performance. It has been suggested that if we were to cool the inlet gas from the present 600°F to 250°F, the performance would improve
A trapezoidal channel having bottom width of 8 m and side slopes of 1 : 1, carries a discharge of 80 m^3/s. Find the conjugate depth to an initial flow depth of 0.75 m before the jump.
Find the volume of the solid S. The base of S is the region enclosed by the parabola y=4-3x^(2) and the x-axis. Cross sections perpendicular to the y-axis are squares.
The setting velocity of a particle is 0.002 m/s and the overflow rate of a settling tank is 0.008 m/s. (a) what percent of the particles does the settling tank capture. If the particles are flocculated so that thie rsettling rate is 0.05 m/s
Discuss about damp-proofing trenches
A gate (shaped like .25 of a cylinder with radius R=3m) is used to control the flow of water through a canal.The height of the water in the tank is 30m. How much force must be applied to keep the gate from opening? The gate is 30m wide.
Using the method of Lee et al., predict the temperature required in an isothermal plug flow incinerator to reduce the xylene level in a waste gas from 100 ppm to 10 ppm. Assume a residence time of 0.7 sec.
A cylindrical tank having a diameter d=2.5 inches is sunjected to internal gas presuure p=600 psi and an external tensile load T=1000 lbs. Determine the minimum thickness t of the wall of the tank
A uniformly tapered bronze tube AB of circular cross section and length L=1200mm is fixed at ends A and B, as shown in Figure 5. The outside diameters at end A is Da=60mm and Db=100 mm at B.
At a given point on a horizontal streamline in flowing air, thestatic pressure is -2 psi (ie vacuum) and velocity is 150 ft/s.Determine the pressure at a stagnation point on thatstreamline?
What is the difference between universal beam and universal column steel sections in terms of performance in bending
A 4-m-long steel rod must not stretch more than 3 mm and the normal stress must not exceed 150 MPa when the rod is subjected to a 10- KN axial load.
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