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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?
radioactive wastes are stored in a spherical type 316 stainless steel tank kss 13 wmk of inner diameter 1 m and 1 cm
Slider A moves in the horizontal slot with a constant speed v = 1.90 m/s for a short interval of motion. Determine the angular velocity of bar AB if the displacement xA = 90 mm, and the length L = 440 mm.
if a residential space heater burns anthricite coal having a sulfur of 2.85% what would be the emissions of sulfur dioxide from having burned 900 ib of this coal. use ap-42 table 1.2-1 sulfur dioxide emission=[SO2] pounds.
What are 3 of the equivalent fixed-point problems for f(x) = x2 - x -2=0?
Air at 400 kPa, 270 Kelvin, enters a well-insulated, horizontal pipe having a diameter of 2cm and exits at 90kPa, 200 Kelvin. Ideal gas model for air, determine at a steady state The inlet and exit velocities, in m/s
The U.S. accounts for just about one-quarter of all of the energy used by people on earth, and has some 300 million people. What’s the average power usage of the average American?
a) What was the discharge capacity andvelocity at full flow at the time of installation b) If the pipe presently carries a flow of15 cfs when full, determine the present velocity and present value of n.
The industrial discharges to the municipal sewers are 57 m3/day at 1,800 mg/L BOD from a slaughterhouse and 70 m3/day containing 32 kg of BOD from a soup-canning plant.
Plot the distribution of vertical effective stress and porewater pressure with depth if the void ratio of the sand is 0.6 and the degree of saturation is 90%. Neglect pore air pressure
THe upper end of the spring is welded to the lunger and the lower end is welded to the base plate. If the plunger is lifted 1.5" above equilibrium and released from rest, calculate its velocity as it strikes A.
The rate constant for decay of contaminant A in the reservoir is k=1.5 (1/year). Assuming the population, discharge rate, and reservoir conditions have been stable for a long time, estimate the concentration of A in the reservoir.
Two strips of a plastics material are bonded together as shown. The average shearing stress in the glue must be limited to 1000 kpa.
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