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1.In a curved prestressed bridge, how should the guided bearings in piers of the curved region be oriented with respect to the fixed bearing in abutment?
2.Design a balcony slab exposed to the weather. The cantilevered span is 8 ft and the service live load is 100 psf. fc' = 4,000 psi, fy = 60,000 psi. [Hint: Reinforcement is placed on top. For thickness of slab, in addition to the provision of the main steel and shrinkage steel, at least 3 in. of depth (cover) should exist over and below the steel.
An outdoor track is 125m in diameter. A runner increases her speed at a constant rate from 4 to 7 m/s over a distance of 30m. Determine the magnitude of the total acceleration of the runner 2 s after she begins to increase her speed.
Two shafts are made of the same material and are of equal lengths.one of them is solid and another one is hollow. the ratio ofinside and outside diameters for hollow shaft is 0.65. They are subjected to the same torque and same maximum shearstress. D..
A space is at a temperature of 75 F, and the relative humidity is 45 percent. find the partial pressures of the air and water vapor
The roadway follows the equation (x^2/(60m)^2) + (y^2/ (40m) ^2) = 1 where x and y are in meters. Find the maximum acceleration experienced by the cars. Hint: begin by making a sketch of the ellipse.
If the maximum total acceleration of the train must not exceed 1.5 m/s^2, determine the shortest distance in which the train can reach a speed of 72 km/h, and determine the corresponding constant rate of acceleration at.
An important dimensionless parameter concerned with very high-speed flow is Mach Number, defined as V/c, where V is the speed of the object such as airplane or projectile, and c is the speed of sound in the fluid surrounding the object.
The traffic light shown in Figure 3 is supported by a system of cables. Points A and B are in a vertical plane which is parallel to x-z plane. Point C is in y-z plane. The traffic light has a mass of 75 kg.
what are biosynthetic pathways in cells A) anabolic B) catabolic C) usually produce more atp than they consume D) release monmorsinto the cytoplasm
Determine the discharge of a trapezoidal concrete channel section with a bottom width of 4 ft and side slopes of 2:1. The depth of flow is 5 ft and the channel slope is 0.5%
Natural gas is stored in very large vessels consisting of a floating tank and a liquid seal. The pressure in the tank is constant because the weight of the floating tank is constant. In the morning, the temperature of the natural gas is 300 K.
The search light is rotating at a constant rate of 4 rad per second. Find the magnitude of the velocity and acceleration of the spot of light on the wall when the search light beam makes a 45 degree angle with the wall.
The frame ACD is hinged at A and D and is supported by a cable that passes through a ring at B and is attached to hooks at G and H. If the tension in the cable is 1125 N (thus 1125 N in section BG and 1125 N in section BH)
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