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A container ship carries 2000 units. It must be unloaded andre-loaded in a 48 hr turnaround. Two cranes are available. Find therate that the trucks line up, load and pass under each crane.
Consider the plane polar coordinate velocity distribution V_r=C/r, V_0=K/r, V_z=0, where C and K are constants (a) determine if the equation of continuity is satisfied (b) by sketching some velocity vector directions
A 2500-lb car (CD = 0.35, Af = 25 ft^2, and ? = 0.002378 slugs/ft^3) has 14-inch-radius wheels, a drivetrain efficiency of 90%, an overall gear reduction ratio of 3.2 to 1, and drive axle slippage of 3.5%.
A tub of a washing machine is rotating at 50 rad/s when the power is turned off. If it takes 15s for the tub to come to rest, determine (a) the constant angular deceleration, and (b) the total number of revolutions the tub makes.
Determine the minimum force P to prevent a 30kg rod AB from sliding on a wall. The contact surface at B is smooth, whereas the coefficient of static friction between the rod and the wall at A is Us=0.2.
An object is held in the air 30m above ground and released. Assume the drag force due to air resistance is given by Fd = 1.0Vy. What is the mass of the object necessary so that it reaches ground in 3s
The proposed 4 story reinforced concrete office building including a green roof is to be constructed. The building is confirm to IBC 2006/2009 and ACI-318-11. 1) Calculate Loads on Floor and Roof one way slabs.
Over the past 3 years, there have been 14, 13, and 15 crashes on this section of College Street. The two-way ADT on this section is 16,474 vehicles per day. What is the annual crash rate for this section of College Street
Calculate the length of 10 equal-sized aeration basins for secondary treatment of a wastewater flow of 10 MGD with 20,000 lb of BOD per day for a conventional activated sludge process with a maximum loading of 40 lb BOD/ 1000 ft3*d.
assume you are an observer standing at a point on the track for a period of 30 minutes and are recording the instantaneous speed of each vehicle as it crosses your point. what is the time-mean speed and space-mean speed for these vehicles for this..
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.
if the steel tape to be used is only 99.98 under standard conditions and if the temperature is 87 degree farenheit at the time of the measurement, how far away from the existing station mark at 0 + 79.23 will the surveyor have to measure to locate..
Stripping overburden in the Illinois coal belt, the Dusty Coal Company uses 270-horsepower, track-type tractors (with direct-drive transmissions) and drawn scrapers.
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