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1. A 22 in. by 34 in. speed limit sign is supported on a 3-in.-wide, 5-ft-long pole. Estimate the bending moment in the pole at ground level when a 30-mph wind blows against the sign. (See Video V9.14.) List any assumptions used in your calculations.
2. Determine the moment needed at the base of a 20-mtall, 0.12-m-diameter flag pole to keep it in place in a 20-m/s wind.
Consider a two- dimensional, straight triangular fin of Length L= 50mm and base thickness t= 20mm. The thermal conductivity of the fin is k= 25 W/mK. The base temperature is T_b= 50 degrees Celsius, and the fin is exposed to convection conditions cha..
Then, refer to Appendix G.1 to specify a suitable steel tube, using the largest of the given wall thicknesses for any size because of the high pressures used in fluid power systems. For the selected tube, compute the actual velocity of flow when c..
An engine, having 90% efficiency, produces 25 MW power. Calculate the power produced for the same inlet conditions and exit pressure if efficiency of engine is increased to 98% by redesigning it.
the arm of the robot has a fixed length of r3ft and it grips a moves along the path z3sinthetaft where theta is in
question it is observed that snow lies stably on roofs with a slope of less than 24deg but that it slides off roofs
for the following calculations take g 9.8ms2 and pwater1000kgm31. assuming there are both a pressure gage and a
consider a shell and tube heat exchanger which is used to heat water cp water 4.33kjkgk from 10 deg c to 85 deg c
a thermal power station operates on the following cycle . water is pumped into a boiler where it is converted to high
a the dynamic error in a temperature measurement using a thermocouple is 70 at 3 s after an input step change in
Write an M-file to solve an equation with the bisection method and with the secant method to a desired accuracy precision. Request upper and lower limits for bisection (you may assign a step size or request an input value)
Consider a system of six distinguishable spin-1/2 particles each with magnetic moment µ. List the various possible magnetic moments for this system (in terms of µ) and give the entropy for each.
the electronic components of a computer are cooled by air flowing through a fan mounted at the inlet of the electronics
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