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1.A 100 lb force vector F is aligned from A to B. Point A is located at the coordinates (2, 2, 2) and point B at (4,5,6). Calculate the moment of F about the y axis.
2.Go to the weather channel web site (www.weather.com)and look up the monthly average temperature for a major metropolitan area and nearby rural area anywhere in the world over a 12 mo. period. Use the data you looked up to estimate the magnitude of the urban heat island effect for that city. Graph your data in two figures, and determine the temperature differences in each month.
A paper plant is proposed for a location 1 km upwind from a town. It will emit 40 g/s of hydrogen sulfide, which has an odor threshold of about 0.1 mg/m 3. Winds at the effective stack are typically 4 m/s owing toward the town.
A vertical pipe of 4ft diameter and 60 ft long has a pressure head of 22.7 ft of water at its upper end. when the flow of water through it is such that the mean velocity is 16 fps, the pipe friction head loss is hf = 2.8 ft.
Use MATLAB to determine how many days the price of stock A was above both the price of stock B and the price of stock C.
Design the roof slab as a one-way slab system and use the worst case design scenario to determine the reinforcing for the entire roof
a rod of steel is 20 m long at a temperature of 200c. find the free expansion of the rod when the temperature is raised
Briefly describe electron and hole motions in a p-n junction for forward and reverse biases; then explain how these lead to rectification.
A 3 kg mass is attached to one end of a 1 m long cord. The other end of the cord is attached to the center of a rotating disk (with radius greater than 1 m) that has a very large constant angular velocity.
1.a college student borrows 1500 during his senior year. the loan is to be repaid in 20 equal quarterly installments.
if each cord can sustain maximum tension of 50N before it fails, determine the greatest weight of the flower pot the cords can support
the velocity varies linearly with time throughout the nozzle. the velocity at the base is 1t and at the tip is 4t. what is the local acceleration midway along the nozzle when t=2s
The sag curve has a 70 mph design speed and G1 = -6% G2=+3%. Determine the minimum necessary clearance height of the overpass and the resultant elevation of the bottom of the overpass over the PVI.
Offer an explanation as to why covalently bonded materials are generally less dense than ionically or metallically bonded ones.
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