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the motorcycle is traveling at 1 m/s when it is at A at the bottom of the ramp. If the speed is then increased at v=0.1 m/s^2, determine its speed and acceleration at the instant t=5s
y=0.5 x^2
If the peak-hour factor is .90 and all of the drivers are regular users, what is the level of the service of this compound-grade freeway segment?
After drying in the oven, it weighs 4.44 kg. The relative density of the grains is 2.70. Determine the degree of saturation, void ratio, porosity and moisture content of the soil in its natural state.
The viscosity of a fluid can be measured in an experiment by dropping a small ball into a calibrated tube containing the fluid and observing the random variable X, the time it takes for the ball to drop the measured distance.
assume lateral support at each support and every 20 ft between supports. assume constant depth for girder. use A 572 grade 50steel. use LRFD methods. minimum web thickness is 5/16 inches.
A water sample has phenolphthalein alkalinity (PPA) of 30 mg/L as CaCO3 and total alkalinity (TA) of 84 mg/L as CaCO3. If OH alkalinity is 5.3 mg/L as CaCO3, Calculate the alkalinity due to HCO3- and CO3-2.
How much differential settlement is causing the additional stress of 4,000 psi in girder that is rigudly attached to columns at either end of its 50-ft span. The moment of inertia of the beam is 15,000 in4, and it is a 24-in.-deep beam section.
Complete mixed system that contains a single reactor against a system that contains three Complete Mixed reactors of equal volume in series. (total volume of three reactors should be equal to the single reactor)
Air at 14.7 psia, 55*F, 60 percent relative humidity is first heated to 72*F in a heating section and then humidified by introducing water vapor. The air leaves the humidifying section at 75*F and 65 percent relative humidity.
The pipe has a flow of 5 m3/s. The stream's chloride concentration just upstream of the pipe's dischage is 12 mg/L, and the runoff pipe's discharge has a chloride concentration of 40 mg/L. Chloride is a conservative substance.
What do you understand by the term preservation of timber. Briefly explain the different methods of preservation adopted.
A 10 m diameter particle of unit density falls through air starting from rest. calculate the time required for the particle to attain 70% of the final terminal speed and the distance traveled by the particle during the time.
A cast iron water main 14m long of 600 mm inside diameter and 30 mm wall thickness runs full of water and is supported at its ends. Calculate the maximum stress in the metal if density of cast iron is 7200 kg/m and that of water is 1000 kgm.
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