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Determine the maximum force P that can be applied without causing the two 50-kg crates to move. The coefficient of static friction between each crate and the ground is 0.25 The crates are next to each other connected by a rope and then from the other end one has a P force going up at an angle of 30 degrees
Water flows steadily through a horizontal 30 degree upward bend. The inlet diameter is 0.3 m, the velocity is 12 m/s, and the pressure is 128 kpa gage. The outlet diameter is 0.38 m and the pressure is 145 kpa gage.
A 8 inch polyethylene pipe has a flow rate of 1000 gallons/minute with a linear length of 10000ft. Starting at elevation 200ft then ends at 600ft elevation. Initial pressure is 40 psi. find the friction and the head loss.
Determine the deflection at the mid span of a simple beam (wood joist) of a row house. The joist is designed as 2x12@16'' for DL = 12psf and LL=40 psf.
A perfectly mixed aeration pond with no recycle (return line) serves as the biological reactor for a small community. The pond receives 30 cubic meters/day of influent with a BOD5 of 350 mg/L that must be reduced to 20 mg/L before discharge.
Discuss some of the impact/ importance of the solutiongenerated and how these solutions have improved over time
The tape is stretched over three equal spans. Calculate the tape corrections under the following conditions at field, temperature = 85ºF, pull = 18kg, E= 2.109 x 10 6 kg/cm 2
how much money today is equivalent to lump sum of $100,000 in 20 years with interest rate of 6% per year compounded (a)monthly, (b)quarterly, (c)semiannually
A 200 m wide natural stream, whose cross-section can beapproximated by a rectangular cross-section, contains a dischargeof 80 cumecs. If the specific energy of the flow is 1.5 timesthe minimum specific energy, determine the two possible depths offlow..
Create a VBA function that will return the root of the function e-x -x = 0 using the Newton-Raphson method. The input parameter for the function should be the initial guess for the root. Turn in your code for the VBA function.
How much energy is stored in an isolated spherical capacitor of radius ,R=25 cm, if it is charged to a potential of 5000V?
What is the expected boiling-point elevation of water for a solution that contains 271 g of sodium chloride dissolved in 1.0 kg of water?
A man having the mass of 77 kg sits in the chair which is pin-connected to the frame BC. If the man is always seated in an upright position, determine the magitudes of the horizontal and vertical reactions of the chair
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