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Car A is traveling at a constant speed va= 130 km/h at a location where the speed limit is 100 km/h. The police officer in car P observes this speed via radar. At the moment when A passes P, the police car begines to accelerate at the constant rate of 6m/s^2 until a speed of 160km/h is achieved, and that speed is then maintained. Determine the distance required for the police officer to overtake car A. Neglect any non-rectiliniar motion of P.
Astructural member in a nuclear reactor is made from a zirconiumalloy. If an axial load of 4 kip is to be supported by the member,determine its required cross-sectional area. Use a factor of safety of 3 with respect to yielding.
Evaluate the spread and depth at the curb for a triangular gutter section carrying a design discharge of 0.09m3/s and having a uniform cross slope of 0.022m/m, Manning’s roughness of 0.015, and longitudinal slope of 0.014m/m.
For a car traveling 35 mph the distance required to brake for a stop is normally distributed with mean of 55 feet and standar deviation of 8 feet. You are traveling 35 mph in a residential area and a car moves abrupt into your path at a distance of 6..
Two rectangular clarifiers(sedimentation basins), each 30 ft long, 15 ft wide, and 10ft deep, settle a combinedtotal of 0.40 mgd following alum coagulation. The effluent channelshave a total weir length of 60ft in each basin
The steel beam ABCD shown is simply supported at A (pin) and supported at B and D by steel cables each having a diameter of 12mm. A force of 20 kN is applied at point C. For steel, let E = 209 GPa.
the linkage shown below is made up of two 3-kg rectangular members 0.4 m by 0.1 m and is flying through the air. at the
Vehicles A and B are traveling toward each other in the opposing lanes on a straight segment of a two-lane highway at 35 and 40 mph respectively. If the critical rates of angular change of the two drivers are 0.0065 and 0.0055 rad/s, determine
Select the best reason that accounts for longer flight distance of a dimpled golf ball compared to that of a smooth golf ball.
a highway reconstruction project is being undertaken to reduce crash rates. the reconstruction involves a major
What is the span length of a uniformly loaded simple beam with a wide-flange cross section if the maximum bending stress is 12,000 psi, the maximum deflection is 0.1 in, the height of the beam is 12 in
What is the maximum pressure on the form in PSF?
Determine the specifications (unstretched length and springconstant k) for the elastic cord to be used at a bungee-jumping facility. Participants are to jump from a platform 150 ft above the ground.
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