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Problem: A motorist traveling at 55 mph down a grade of 5% on a highway observes an accident involving an overturned truck ahead of him which completely blocked the road. If the motorist was able to stop his vehicle 30 ft away from the overturned truck, what distance away from the truck was he when he first observed the accident? Assume perception/reaction time of 2.5 seconds For this particular problem we can ignore the friction value and just use a standard deceleration rate of 11.2 ft/sec. Please answer the following question.
How many cubic yards of aggregate must be ordered for a road base 16 inches thick and 2000 feet long with a top width of 30 ft, if the side slopes are one on one, or 45 degree?
A water supplier wants to inject ozone into a piper bringing water to the water treatment plant to predisinfect the influent. The 3.0-ft diameter piper is 3,400 feet long with a steady flow rate of 10,000 gal/min.
The Medieval style of art and architecture is born when Classical, Christian and Barbarian concepts are fused together.
Write a computer program that generates a sequence of random variables from a normal distribution with mean 5 and standard deviation 2. a) Verify that sample mean and the sample variance converge to the respective population values.
The specific heat (C sub p) of aluminum is 0.214 calories per gram degrees Celsius (0.214 cal/g-C). If a cube of aluminum with a mass of 13.6 kg exhibits a change in temperature of +30 degrees Celsuis, what is the resultant thermal energy
Calculate the total head loss in theclean filter if the loading rate and what is the required disinfection for the removal of Giardia cysts of the filtered water if free chlorine is used?
consider a spacecraft that is positioned directly between the earth and moon.the mass of the moon's is approximately 7.35 X10^22 kg, and at the instant under consideration, the moon is 3.8 X 10^8 km from earth.
consider a cylindrical nickel wire 2.0 mm in diameter and 3 x 10^4 mm long. Calculate its elongation when a load of 300 N is applied. Assume that the deformation is totally elastic.
Find the length and width of a square basin for virus disinfection of a flow of 6 MGD. You may assume a depth of 5 ft, a C(dot)t product of 10 (mg/L) (dot)min for 1.5-log removal, and a target free chlorine residual of 0.6 mg/L.
What is definition of the stream function? Is it a scalar or a vector? Units of the stream function? For an ideal fluid with irrotational flow motion:
A hole is drilled in an aluminum plate with a steel drill bit whose diameter is 6.245 cm at 20 degrees Celsius. In the process of drilling, the temperatures of the drill bit and plate rise to 168 degrees Celsius.
At noon on a sunny summer day with a surface wind speed of 4m/s, SO2 is released over rough terrain from a 90m stack at a rate of 400g/s. Assume that the plume rise is 60m.
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