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A 200 pound man stands at the end of a 16 foot diving board (point C) with a pin at (A) and a roller located 6.695 ft away from A at point (B). The hollow diving board is made of aluminum (6070-T6) and is 20 inches wide, 2.06 inches tall, and has a wall thickness of 0.1875 inches. If E= 10.15X10^6 psi and the minimum yield strength is 50000psi, determine the max bending stress, deflection of the board, and the safety factor. Also, how much would the diver need to weigh to cause failure of the board? Show work.
Consider just the vertical (y) response of the system when the beam is being stretched. Show that the spring constant, ka, is approximately 70.6 mN/m. What is the steady state amplitude of the vertical response? See Figure A below for an engine..
a turbofan jet engine has a large fan that sucks in air. some of this air enters a set of compressors is mixed with
The tank air pressure above the water level is 300kPa(absolute) while the atmospheric pressure is 100kPA. Neglecting frictional effects, determine the initial discharge rate of water from the tank.(Density of water=1000kg/m^3)
a sealed piston-cylinder assembly contains 3 lbm of water. the water is initially at p1 40 psia and t1 300degf. the
calculate the hourly gas flow rate for the conditions given as followsreadings differential pressure 50-in water static
a 500 kw compressor is being designed to operate on air in a space where the temperature is 300 k and pressure is 90
Calculate the heat transfer per kilogram of air between sections (1) and (2), and the stagnation pressure at section (2).
the truck at b is used to hoist the cabinet up to the fourth floor of a building using the rope and pulley arrangement.
consider an isentropic expansion process in a piston cylinder device where air is expanded from 1mpa and 800 k to 0.1
consider some hypothetical x - y - ion pair for which the equilibrium interionic spacing and bonding energy values are
three horizontal forces are applied as shown to a vertical cast-iron arm. determine the resultant of the forces and the
for the following descriptions please write the appropriate form of the heat conduction equation a a cylindrical rod
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