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The position of the L-shaped rod shown is controlled by a cable attached at B. Knowing that the rod supports a load of magnitude P =50 lb, write a computer program that can be used to calculate the tension T in the cable for values of u from 0 to 120° using 10° increments. Using appropriate smaller increments, calculate the maximum tension T and the corresponding value of θ.
calculate maximum external pull in each gear of a tractor when given speed, slope, weight, and rolling resistance
Give a few examples of movable bridge designs, that build with a certain robotics toolkit (VEX) kit. Specify the dimensions of the bridge design and the materials needed to build it from a VEX kit.
A pump of 80% efficiency lifts water from one large open tank to another; the difference in water surface elevations is 20 feet. The pipe is relatively smooth (f = 0.0122), and has 3 elbows, each with a loss coefficient of 2/3.
A rectangular concrete beam of width b = 24 inches is limited by architectual considerations to a maximum total depth of h = 16 inches. it must carry a total factored load moment of Mu = 400 ft-kips. Design the flexural reinforcement for this member,..
Two pumping wells, A and B, are 100m apart. They each completely penetrate a homogeneous, confined aquifer, and pump at exactly the same rate, 5m^3/day. Prior to pumping
Maximum dry unit weight was found to be 114lb/ft^3 at a water content of 13.5% in labratory tests. Results of a field unit weight test were dry unit weight=111lb/ft^3 and a water content 11%.
A clean-earth channel, for which n=0.020, is 6m wide and lies on a slope of 0.005236. Water flows at 30m3/s through the channel and enters a reservoir. The water depth in the channel, just before the entry to reservoir, is 3m.
Water enters a two-armed lawn sprinkler along the vertical axis (normal to the page) at a rate of 80 L/s and leaves the sprinkler nozzles as 1.5-cm diameter jets at an angle of from the tangential direction.
A rectangular beam 4 inches wide and 12 inches height must sustain a maximum bending stress of 12,500 Lbs/in^2. A) Sketch beam and show neutral axis. B) Solve for the maximum bending moment.
In magnetic tape recording, the tape is subjected to tension while it is guided along its path. Tension in the tape causes elastic deformation that results in slight changes in length of the domains on which information is stored.
A simple beam of Douglas-Fir Larch, select grade, has a span of 18 ft with two concentrated loads of 3 kips each placed at the third points of the span. Neglecting its own weight, determine the size of the beam with the least cross-sectiona; area bas..
7 crystal systems,....... cubic, tetragonal, orthorhombic,rhombodedral, hexagonal, monoclinic, and triclinic. withvariations there should be 7X4= 28, however due to duplicates thereare only 14. for each of the variations listed below, whichof the 14 ..
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