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Consider a simply supported beam of lenght 50ft pinned on the left end at A and on a roller at the right end at B and subjected to a concentrated load of 20 kips at a distance of 20ft from A and a second concentrated load of 10kips 40 feet from A. The cross section of the beam is rectangular (b=4'' and h=8'').
a. Determine the shear and moment diagram.
b. Calculate the maximum normal stress on the top of the beam, on the bottom of the beam and indicate in terms of x its location.
c. Calculate the maximum shear and indicate in terms of x its location.
The Three Gorges Dam in China will be the world's biggest when complete. When did the construction start
An airplane with a Clark Y airfoil cross-section weighs 3500 lbs. The chord length is 6ft and the wingspan is 36 ft. Determine the: a) Minimum speed and power to take off, if the angle of attack is 12.4 degrees.
Base course aggregate has a target dry density of 119.7 Ib/cu ft in place. It will be laid down and compacted in a rectangular street repair area of 2000 ft by 48 ft by 6 in.
The concentration of ammonia is 6 mg/L at one point in the river. If the first – order decay coefficient for the conversion of ammonia to nitrate is 0.05 day-1, what will the ammonia concentration be 10 miles downstream.
A secret agent in pursuit of an international smuggler has driverher car onto a drawbridge which is in the process ofopening. Her objective is to jump the gap and get safely onthe other side of the river to continue her pursuit. Your taskis to determ..
You want to make sure that the hill slope -the earth of which has also been excavated by your teams and the organic soil and vegetation removed- will remain stable for the safety of your workers.
The gate is rectangular with a horizontal width of 2m perpendicular to the paper. For a depth h = 3m of water, calculate the required force exerted by the hydraulic cylinder to keep the gate just closed.
water is pumped into an irrigation pond at 250 gal/min for 24 hours. the pond area is 2500 square feet. Determine the depth of water in the pond .Provide answer in ft and m
The Jordan aquifer has been pumped for several decades, yet remains fully saturated. Explain where the water is coming from.
A 10-mm diameter bar of 1040 carbon steel is subjected to a tensile load of 50,000 N, taking it beyond its yield point. Calculate the elastic recovery (or strain) that would occur upon removal of the tensile load.
If the load effect has a mean value of 88 kips and a standard deviation of 1.8 kips. If the nominal material strength is 160 kips Determine the followings 1- The probability of failure of the structure under the nominal resistance and service load..
The condenser in a refrigerator receives R-134a at 700 kPa and 50C, and it exits as saturated liquid at 25 C, The flow rate is 0.1 kg/s,and the condenser has air in at an ambient temperature of 15 C and leaving at 35 C. Find the minimum flow rate ..
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