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Assume that the distance to the building along the ground is 120 m and the angle measured along the line of sightis 30+-3. Find the maximum and minimum heights the building can be.
a horizontal curve was designed for a four-lane highway for adequate ssd. lane widths are 12 feet and the
The truck is driving onto the stationary barge at the speed of v1. The masses of the truck and the barge are m and M, respectively. The barge is free to move on the water and the water resistance is to be ignored.
At what speed the rule of 25 feet separation between two cars is safe?
If the superelevation is .10 at the station of the PC is 17+35, what is the station of the PI and how much distance must be cleared from the center of the lane to provide adequate stopping sight distance
When making hardness measurements, what will be the effect of making an indentation very close to a preexisting indentation. Why.
a. Calculate the total energy expended in the acceleration. b. Plot a graph of the kinetic energy of the mass against time. c. Plot a graph of the kinetic energy of the mass against distance.
the If the probability that fluorecent light has a useful life of at least 500 hours is 0.85, find the probabilities that among 20 such lights (a) 18 will have a useful life of at least 500 hours;
A rectangular beam of width 300 mm and depth 450 mm supports loads producing a shear force of 300 kN at a particular section. What shear stresses exist at the following points?
a water main is used to refill an elevated storage tank during the night. a 100 ft long, 12 in steel pipe (ks=.06 mm) connects to the booster pump that provides a pressure of 75 psig at the pump outlet
A wastewater treatment plant has a flow of 35,000 m3/day. Calculate the mass of sludge wasted each day (QwXw, expressed in kg/day) for an activated-sludge system operated at a solids retention time (SRT) of 5 days
Here hurricane winds caused the failure of this highway sign. Assuming the wind creates a uniform pressureon the sign of 2 kPa, use reasonable dimensions for the sign and determine the resultant shear and moment at the two connections where the fai..
water from a treatment plant is pumped into distribution system at a rate of 4.38 m^3/sec, a pressure of 480 kpa and a temperature of 20 degree celcius. The pipe has a diameter of 750 mm and is made of ductile iron
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