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A 58.3 degree inclined plan has a spring with spring constant 23,400 N/m attached at the bottom.A 1.2 kg block is placed on the plane and compresses the spring a distance of 2.4 cm from equilibrium. The block is then released. if the coefficient of kinetic friction between the block and plane is 0.237 using the work energy theorem, calculate the distance up the ramp, with respect to the spring equilibrium which the block moves before stopping.
a freeway exit ramp has a single lane and consists entirely of a horizontal curve with a central angle of 90 degrees and a length of 628 ft. if the distance cleared from the centerline for sight distance is 19.4ft, what design speed was used
A 5000 m3/day wastewater treatment plant discharges to a river with a minimum drought flow of 140 m3/min (upstream of outfall) a)What total allowable BOD (kg/day) could be discharged by the plant if the BOD in the river after initial dilution must ..
Break Even Stripping Ratio (BESR), Given an underground total mining cost of $8.85 per tonne, surface mining costs of $2.95 per tonne of ore, and surface mining stripping costs of $1.75 per tonne of waste
Name three types of metamorphic foliations, and draw a small sketch that shows a situation. Where a metamorphic foliation could cause problems in an excavation.
A building frame is made with a 10" square steel box shape that has an area of 15 in^2 and a moment of inertia I =225 in^4. The frame consists of pinned supports at points A and F and an internal pin at point D.
After the Chernobyl accident, the concentration of 137Cs in milk was proportional to the concentration of 137Cs in the glass that cow consumed. The concentration in the grass was, in turn, proportional to the concentration in the soil.
Determine the settlements when a stress of 100 kPa is applied by the building over an area of 10m × 5 m on the soil surface.
The power output of the turbine is just 0.1 kW. If the process is adiabatic and steady, what is the required flow rate of air through the turbine if the exit state is 100 kPa and - 53 C.
The motor in the unit runs at 300 rpm and produces an unbalanced force of 60 lb at this speed. Neglect weight of the beams and assume 1% viscous deflection in the system; for steel E=30,000 ksi.
The aluminum end and the copper end are maintained at temperatures of 50°C and 260°C, respectively. The thermal conductivities of aluminum and copper are 205 and 385 W/m · K, respectively. The temperature of the aluminum-copper junction in the rod..
You are the winner of a sweepstakes and given a choice of a one-time payment of $1,000,000 or a guaranteed $80,000 per year for 20 years. Assume that you will collect all 20 years regardless of health condition.
a job requires excavating and hauling 500 cyds (in situ) of sandy soil. in your posession is an excavator and a dump truck (capacity 30 cyds loose) the dump truck has a round trip travel time of 5 mins and 45 secs to the dump site and back.
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