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A two-axle truck being driven on a flat and straight section of a highway at a speed of 65 mph reaches a curved section of the highway with a grade of 5% and a radius of 1,500ft.
Determine:
(a) The additional force that will be required to maintain the original speed at 65mph
(b) The percentage increase in the total force to maintain the original speed at 65mph
Assume that the truck has a cross-sectional area of 64ft^2 and carrying a load of 18,000lb/axle
the stress at a point is shown on the element. Determine the principal stresses and the absolute maximum shear stress.
For the following waste and river characteristics just upstream from the outfall, find the minimum downstream DO that could be expected
The maximum vertical load and horizontal load have been identified and shown in the figure. Under this loading condition, you are asked to determine the horizontal deflection of joint C.
Determine the magnitude of the average force acting on a highway bumper when a 5000-lb car traveling at 60 mph crashes against it. The time interval during which the car is brought to rest is 0.3 s.
Two forces are applied as shown to hook support. Knowing that the magnitude of P is 35 N, determine by trigonometry (a) the required angle a if the resultant R of the two forces applied to the support is to be horizontal, (b) the corresponding magnit..
In my english class i have to write a propasl, and i choose to write a proposal on the libray doors at my school. the doors are very difficult to open even for young people like my self. who should i contact
A beam must carry a total factored bending moment of 1062kN-m. It has a maximum beam effective depth of 25in. Design the beam in US customary units using f’c=4ksi and fy=413.4MPa. If necessary use d’=2.5in. Assume an exterior exposure according to AC..
The cylinder B is released from rest. Determine the speed of both masses (vA and vB) after B moves by h m. Also calculate the angular displacement for the pulley D. The diameter of the pulley D is 0.2 m. Neglect all friction.
you are designing a highway to AASHTO guidelines on rolling terrain where the design speed will be 65 mi/hr. At one section, a +1.25% grade and a -2.25% grade must be connected with and equal tangent vertical curve.
The bottom of a rectangular flume is 5mabove reference level. The depth of the water in the flume is 3m.The average velocity is 1.7 m/s. Compute the total hydraulic energyat the surface of the water and at the bottom of the flume.
Determine the magnitude of F2 which will cause the reaction Cy at the bearing C to beequal to zero. The bearings are in proper alignment and exertonly force reactions on the rod. Set F1 = 550 lb.
Assume the settling tank behaves like an ideal sedimentation tank, what percentage of removal should be expected for particles with a settling velocity of 0.002 m/sec
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