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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
The Hubert H. Humphrey Metrodome in Minneapolis opened in 1982 at a cost of $55 million. To prepare for the footings, et cetera, 3.00x105 cubic yards of dirt were removed. The Metrodome's inflatable roof covers 10.0 acres and its interior volume i..
How much money will dave accumulate in his savings account at the end of 5 years if he makes monthly deposits of $50 begining one month from now. The annual nominal interest rate is 9%
The supplier says it would prefer to sell the company a 65% NaOH solution and the company says the water content is immaterial as long as the equivalent costs are the same including freight.
estimate the mass and volume of sludge produced from unreated wastewater without and with the use of ferric chloride for the enhanced removal of TSS. Also, estimate the amount of lime required for the specified ferric schloride dose.
A radar device is installed at a location on the roadside to measure instantaneous speeds of vehicles passing that location. The initial four vehicles' speeds are listed. Calculate the space-mean speed of these four vehicles.
A powerplant is burning coal on a cold, clear winter morning at 8am with a wind speed of 2.6m/s measure at 30m and an inversion layer with its base height of 697m. The effective stack height is 30m.
A soil specimen has a water content of 18% and a wet unit weight of 118.5 lb/cu. ft. The specific gravity of solids is found to be 2.72. Find the:
Diesel fuel has an average chemical formula of C12H23 and a density of 6.45 lb/gal. Calculate how many lbs of CO2 are produced per gallon of diesel burned (assume complete combustion).
A dense sand has an effective friction angle of 43 and c'=0. A dry, 2.8-inch diameter sample is tested in drained triaxial shear with a confining pressure of 2500 psf. What axial load, P (in pounds), will be required to fail the sample?
suppose we have a 100-volt battery connected with a 100-ohm resistance. The current is then 100/100=1 amp. how much power is produced. if we double the voltage, what will the current be and what will the power be.
Suppose a drainage basin has an area of 288 acres with a CN=55(Runoff Coef. of 0.30). Determine the peak discharge (in cfs) that would result from a 6.0in., 24-hr assuming there are no ponds and swampy areas.
a particle p moves along the spiral path r=(10/theta)ft, where theta is in radians. If it maintains a constant speed v=20 ft/sec, determine Vr and V Theta as functions of theta and evaluate each at theta =1 rad
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