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What is the net electric force on the charge located at the lower right-hand corner of the triangle? The two charges at the base of the triangle is +q, and the charge at the vertex of the triangle is -2q. (Note that the charge at the lower right-hand corner of the triangle is +q).
Plot the following sets of stress states on a set of principal axes (an example is provided in Figure 2A of the Appendix). Calculate the factor of safety for each stress state using both the Brittle Coulomb Mohr and Modified Mohr failure theories.
The path of motion of a 7-lb particle in the horizontal plane is described in terms of polar coordinates as r= (3t+2) and theta=(0.2t^2-t) , where t is in seconds. Determine the magnitude of the unbalanced force acting on the particle when t=3s.
Determine the cycle time for a single engine scraper rated at 21 cy heaped that is used to haul material from a pit to a fill 900 ft away under severe conditions. The average haul speed will be 14 mph and the average return speed will be 20 mph.
Water flows on the inside of a steel pipe with an inner diameter of 2.5cm. The wall thickness is 2mm, and the convection coefficient on the inside is 500 W/m2oC. The convection coefficient on the outside is 12 W/m2oC.
A sailor is being rescued using a boatswain's chair that issuspended from a pulley that can roll freely on the support cableACB amd is pulled at a constant speed by cablle CD
Vehicles arrive at a toll bridge at a rate of 430 veh/hr (the time between arrivals is exponentially distributed) Two toll booths are open and each can process arrivals (collect tolls) at a mean rate of 10 seconds per vehicle
Determine the tension in cables AC and AB during this time interval if acceleration is constant.
The hinge at A and the cable that attaches at points B and C support rigid bar ABC. Determine the reaction components at A and the tension in the cable.
What is the pressure P2? What is the net entropy change for the overall process?
How will you design an engineering machine considering safety in mind.
Sled and rider with a total weight of 200 lb travel down smooth slope defined by equation y=x^2/20. At x=40 ft the sled's speed is 10 ft/s. At x=40 ft determine rate of increase of speed and the normal force which the slope exers on the sled. Neglect..
Determine the differential settlement between the centre line of the ring beam and under the centre of beam. The inner and outer radii of the ring beam are 8m and 12m respectively.
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