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In an attempt to estimate the speed of a vehicle just before it hit a traffic signal pole, a traffic engineer measured the length of the skid marks made by the vehicle and performed trial runs at the site to obtain estimate if the coefficient of friction, Determine the estimated unknown speed if the following data were obtained:Skid Marks Length: 585, 590, 580, 595 (in feet)Speed of trial run: 30 mphDistance travelled during trial run: 300 ftExamination of the vehicle just after the crash indicated that the speed of impact was 35 mph.
what should be the minimum radius of curvature p for the track at B so that the passengers do not experience a normal force greater than kmg?neglect the size of the car and passengers.Take k=4
AGNO3 is added to a solution containing 0.001 mol Cl- amd 0.001 mol Br- per liter. What are the concentrations of Cl- and Br- remaining when AgCl just begins to precipitate?
Air enters an adiabatic nozzle steadily at 300 kPa, 200 o C, and 30 m/s and leaves at 100 kPa and 180 m/s. The inlet area of the nozzle is 80 cm 2 . Determine (a) the mass flow raw through the nozzle, (b) the exit temperature of the air, and (c) the ..
Calculate the force (in Kn) a punch press must exert if it is to punch out a large washer from a strip of 5-mm thick sheet steel with an ultimate shear strength of 400 MPa. The washer dimensions are as follows: hole diameter is 27 mm. outside diam..
If the elevation difference between the water surfaces is y = 25 + x/11 metres, what minimum pipeline diameter will be required to convey the design discharge? Once your design is complete, determine the actual discharge. The value of x equals 23.
A car travelling at 60 mph in a construction area skids into a stack of concrete barriers. Skid marks leading to the crash measures 150 ft .
A water tank has a height of 120m, and its area of cross-section is 2000m. Water is released from the tank and the water level drops by 1 meter every minute. Find the rate of change in volume.
Two strips of a plastics material are bonded together as shown. The average shearing stress in the glue must be limited to 1000 kpa.
What is the ratio of the magnitude of E2 to the magnitude of E1? You may neglect the effects of gravity on the proton.
describe the measurements that would have to be taken and the equations that would have to be used to determine G23, V32, and E2 for a specially orthotropic transversely isotropic material from a single tensile test.
Draw the shearing force diagram and the moment diagram of the following problem. The beam is indeterminate. You need to integrate the moment twice to get a formula for the deflection v(x).
In that season, what are the hydraulic radius of the river, its mean velocity and volumetric discharge?
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