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A tiler is removing broken tiles from the roof of a house, and throws a tile with a velocity of 8 m/s at an angle of 20 degrees above horizontal. At the point of release the tile is 5.2 m above the ground surface.
Determine the horizontal distance that the tile will travel until it first hits the ground.
Of this total, 2000 acres are residential(CN=68), 500 acres are industrial (CN=88), and 2500 acres are forest with good cover (CN=55). For a design storm of with a total precipitation of 7 inches, estimate the direct runoff in inches.
Water flows into and out of a 5 liter tank at a rate of 1 L/min. Within the tank, the mineral apatite is dissolving at a rate of 3x10^-10 moles of Si per m^2 per sec. If the tank contains 10g of the apatite with a specific surface area of 2 m^2/g,
Water at a flow rate of 1 kg/s is flowing in a pipe of internal diameter 5 cm. If the inside pipe surface temperature is 90 degrees C and mean bulk water temperature is 50 degrees C
a belt sander is being brought up to operating speed at the instant of the belt is rotating in the clockwise direction ar 4 ft/s and acceleration at 40 ft/s. the tensioning cylinders A and B have a radius of 2.5 in.
A contractor has installed a silt fence around an area that is semi-circular and level to prevent soil from the construction site entering nearby streams. The diameter of the semi-circle is 1000 feet.
The pavement is on a base which has a modulus of subgrade reaction of 250 pci. A 17,000 lb corner load is applied (al is 7 inches). Using the revised Westergaard equations, find the modulus of elasticity of the pavement if a corner deflection of 0..
a wheel tractor scraper weighing 100 tons is being operated on a haul road which is a rutted dirt roadway (little maintanence) this tractor is traveling empty down a 5% slope. what is the total resistance
A glass tube with inside diameter of 2-mm is inserted vertically into a dish of mercury at 20°C. Determine the difference in mercury levels inside and outside the tube.
Suppose 2.3 g/day of vinyl chloride, with a half-life of 1 day, leaks into a 20,000 m3 pond. Suppose an adult obtains his drinking water from the pond and consumes the water daily for 7 years
If the pipe lengths ar L1 = 3000ft, L2 = 2200, and L3 = 1600 ft the respective pipe diameters are 15,10, and 18in, and the surface water elevations of two of the three reservoirs are A = 125ft and B = 55ft, find the surface water elevation of Rese..
EXPLAIN BRIEFLY WHY THE COMPRESSIVE STRENGTH OF WOOD LOADED "PARALLEL" TO ITS GRAIN IS HIGHER THAN THE COMPRESSIVE STREGTH OF THE SAME WOOD LOADED "PERPENDICULAR" TO THE GRAIN
Using the method of lee et al. predict the temperature required in an isothermal plug flow incinerator to reduce the xylene level in a waste gas from 1000 ppm to 10ppm. Assume a residence time of 0.7 sec.
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