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You are hired as a consultant to give expert evidence in a court action arising from a vehicle collision. The two vehicles collided head-on while traveling on a curve tangent with a 4% grade. Vehicle #1 (a 1980 Chevrolet Impala) skidded 195 feet downhill before colliding with vehicle #2 (a 1982 Honda). The Honda skidded 142 feet. The police report estimates that both vehicles were traveling at 25 mph prior to the collision. This estimate was based on vehicle deformation.
(a) What are the respective speeds of the two vehicles prior to the application of brakes if the coefficient of friction is 0.48?
(b) Which of the assumptions produces the greatest possible error in your speed calculations? Illustrate your answer numerically.
ECM62EKM - Organisational Behaviour and Human Resource Management - Analyse the organisational structure and its leadership styles, identify the gaps
Assume that the shuttle is between perigee and apogee in the elliptical orbit so that the orbital speed is changing with time. Note that the θ t- and x-axes are tangent to the path, and the -axis is normal to the radial r-direction.
A ferryboat queuing lane holds 40 vehicles. If vehicles are processed (tolls collected) at a uniform deterministic rate of 5 vehicles per minute and processing begins when the lane reaches capacity
Water with a static pressure of 1.96kN/M2 flows through an 800 mm diameter pipe. A pitot tube pressure gage in this pipe reads a pressure of 5.88 kN/M2. Determine the velocity (V)
The truss shown consists of 9 members and is supported by a ball and socket at A, two short links at B, and one short link at G. Check that this truss is a simple truss, that it is completely constrained
Immediately after the bouncing golf ball leaves the floor itscomponent of velocity are Vx= 0.662 m/s and Vy= 3.66 m/s. determinethe horizontal distance from the point where the bal
A thin flat plate is 12 m long and 8 m wide. The air density is 1.23 kg/m3. a) What is the maximum velocity for the boundary layer to remain laminar over the entire plate (the transition occurs at the end of the plate)
A 40 cm diameter well has been constructed in a water-table aquifer. A pump capable of continuous discharge at 600 m3/day has been installed to test the well. Observation wells are located 10 meter and 50 meters from the pumped well. After pumping co..
Consider a box model for an air shed over a city that is 1 X 105 m on a side, with a height of 1200 m induced by a temperature inversion. Winds with no SO2 blow at 4 m/s agains one side of the box. SO2 is emitted in the box at the rate of 20 kg/s.
A 12-ft-long cantilever supports its own dead load plus an additional uniform service (unfactored) dead load of 0.5 kip/ft. The beam is made from normal-weight 4000-psi concrete and has in., in., and in.
The fixture AC is designed with a screw adjustment to regulate the height of the 900 N load supported by the roller at A. The screw bears against a smooth surface at B. Determine the reaction forces at points B and C. Neglect the weight of the fix..
a tension member with cross-sectional area 3 in2 resists a load of 10 kips. How do you Calculate the normal and shear stress on planes making a 0, 20, 45, and 60 angle with the transverse section.
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