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1.A driver in a vehicletraveling 40 mph shifts his eyes from right to left and focuses ona child about to dart across the street. estimate the distance infeet the vehicle travels as the driver's eye shift andfixate?
2.A beam of rectangular cross section 300mm by 100mm sitsupright and has a moment of inertia of 225 X 10-6m4 and a max bending moment of 67.5KNm. Determine themax value of bending stress in the beam.
3.Determine the young's modulus for a metal whose elasic limit isone half of its UTS. The material has a strain of 0.002 at theelastc limit and a gauge length of 50mm. The UTS of the metal is300 MPa. The metal sample has a diameter of 20mm.
The flowrate (q) per unit lenght (ft^2/s) over the spillway shown below is a fuction of the upstream heah H, the acceleration due to gravity g, and the spillway height P.
How accurately would each 100-ft distance have to be measured so that the 95% error would no exceeded +-0.24ft in a total distance of 4000ft
A car is traveling along a road at a uniform velocity when at time zero the driver recognizes a hazard. At a moment 0.8 seconds later the driver brakes her vehicle , resulting in her vehicle sliding 90 ft in the same direction
For a .15 micrometer diameter spherical particle (density of particle = 2500 kg/cubic meter) determine the Cunningham correction factor at standard conditions.
The pressure on the back side is negative; its magnitude is 0.5 times the (negative) stagnation pressure on the back side. Determine the drag coefficient for the sign type
A concrete mix with a 3-inch slump, w/c ratio of 0.50, and sand with a fineness modulus of 2.4 contains 1700 lb/yd^3 of coarse aggregate. Compute the required weight of coarse aggregate per cubic yard.
While designing a shock absorbing bumper for a 5-Mg rail car, the spring used for the bumper follows a nonlinear relationship of F = ks2 where F is the force in Newtons and s is the compression distance in meters.
The number of flaws on a sheet of aluminum manufactured by a certain process follows a Poisson distribution. In a sample of 100m2 of aluminum, 200 flaws are counted.
A 1-inch elevator cable is 1000 feet long. The modulus of elasticity for the cable is 25,000,000 psi. Determine the total elongation of the cable due to a load of 20,000 pounds.
the t-component of the force f is known to be 75n. determine the n-component and the magnitude of f.
You have batched both of the mixes you designed in questions 6 and 7 on the same day and have made a sufficient number of 6" diameter and 4" diameter cylinders of each mix so that two cylinders of each size
An Element of soil (sand) behind a retaining wall is subjected to an increase in vertical stress of 60kPa and an increase in lateral stress of 25 kPa. Determine the increase in vertical and lateral strains,
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