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a car is traveling at sea level at 78 mi/h on a 4% upgrade before the driver sees a fallen tree in the roadway 150 feet away. the coefficient of road adhesion is 0.8. The car weighs 2700 lbs, has a drag coefficiant of 0.35, a frontal area of 18 ft^2, and a coefficient of rolling friction approximated as .017 for all speed conditions. the car has antilock braking system that gives it a braking efficiancy of 100%. if the driver first applies the brakes 150 ft from the tree, how fast will the car be traveling when it reaches te tree? Include the effect of aerodynamic resistance.
A measurement was recorded as 171.278 m with a 30-m tape that was only 29.996 m under standard conditions. What is the corrected measurement?
Determine the air pressure at the top of a 300 m high building by assuming the density of air stays constant at the z = 0 value. Now compute the pressure assuming the density of the air varies. Is there a significant difference.
A dam project specifies 97% compaction. Lab tests on the soil being used indicate that it has a maximum dry density of 1900 kg/m3 at an optimum water content of 13.2%. Field tests give the following results: Field dry density is 1790 kg/m3 and 16...
Design a logic circuit that, when enabled with an active-high signal named en, will detect four different ranges of values for a 5-bit input number.
Formulate a Linear Program for Blend Mix at Bluegrass Distillery, The Bluegrass Distillery produces custom-blended whiskey
Determine the operating speeds of the machine at which the machine's steady-state amplitude is less than 0.2 mm. Take keq = 3 EI/L3.
To prevent this high compression load from buckling the copper pipe, a solid steel support of 2 1/2 inch diameter is placed inside the copper pipe. The copper pipe is 8.000 inches long. The steel support is 8.0001 inches (exactly 1 mil = 1/1000 in..
What pressure gradient is required to accelerate water vertically upward in a vertical pipe at a rate of 0.5g
An aluminum alloy tube with an outside diameter of 2.9 in. and a wall thickness of 0.32 in. is used as a 19-ft-long column. Assume that E = 8300 ksi and that pinned connections are used at each end of the column.
Consider two alternative water resource projects, A and B. Project A will cost $2,533,000 and will return $1,000,000 at the end of 5 years and $4,000,000 at the end of 10 years.
velocities in a 200-mm-diameter circular conduit, measured at radii of 0,36,64, and 87 mm were 7.0, 6.8, 6.1, and 5.0 m/s, respectively. Find the approximate values (graphically) of the volume flow rate and the mean velocity.
What are the quantitative measures of reliability (discuss measures for hardware, software, personnel, facilities, and data)?
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