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A cyclist rides up a local mountain at an average speed of 11 mph. The road has an average grade of 5.5%. The cyclist and her bike have a combined mass of 75 kg. The force from road drag is 2.5 N and the aerodynamic drag (in Newtons) is equal to 0.2v2 N where the units on 0.2 are N s2/m2 and where v is in m/s. Neglecting drive train losses what is the average power output of the cyclist?
If the front edge of a contaminant plume is perfectly straight, how long would it take to travel to Well 1 after first arriving (simultaneously) at Wells 2 and 3, assuming that the contaminant plume travels only half as fast as the groundwater flo..
Write the mass balance equation for a completely mixed lake with an impulse input of mass, M, added at time t = 0. Assume the lake is of constant volume, V, with continuous outflow, Q, and a conservative substance.
Installing an automated production system costing $278,000 is initially expected to save Zia corporation $52,000 in expenses annually. If the system needs $5000 in operating and maintenanc
A spherical drop of water has r = .1mm . If the surface tension of water is 72 dynes/cm, calculate the pressure difference across the interface. Express the answer in dynes/cm^2. (Tip: theta = 0 for perfect fluid spheres)
An aluminum alloy rod has a circular cross section with a diameter of 8 millimeters. This rod is subjected to a tensile load of 4 kN. Assume E=69 GPa. What will be the lateral strain if Poisson's ratio is 0.33
Many years ago, well-known architect Frank Lloyd Wright designed a mile-high skyscraper, which has never been built.
When the athlete releases the shot it is 1.82m above the ground and its initial velocity=13.6 m/s. Determine the horizontal distance the shot travels form the point of release to the point where it hits the ground.
You have a $1,500 monthly loan payment. If inflation is 3.5% annually (compounded monthly). What is the constant dollar amount of this payment in your 80th month
Two water reservoirs A and B are connected to each other through a 40 m long, 2 cm cast iron pipe with a sharp-edged entrance. The pipe also involves a swing check valve and a fully open gate valve.
Steam enters a turbine with neglible velocity at 4 mpa, 600 degrees celcius and a flow rate of 36000 kg/h. Determine the heat loss from the steam passing through the turbine if the turbine has a power output of 20000 kw
Course Ab of a five sided traverse runs due north. From the giben balanced interior angles to the right, compute and tabulate the bearings and azimuths from north for each side of the traverses.
How many truckloads of trucks hauling an average volume of 6 LCY (4.6 LCM) would be required to haul 1 million CCY (764, 600 CCM) of gravel to a dam site
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