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Social Networking People who are at least 45 years old comprise approximately 34 percent of Internet users and quickly are becoming the largest demographic age group online. These "silver surfers" are online more than six hours per week and are making their presence known on online social networks. Monster's founder Jeff Taylor created Eons (eons.com), which is promoted as an "online gathering place for people lovin' life on the flip side of 50!" BoomerGirl Diary (boomergirl.com) and Not Over The Hill (notoverthehill.com) feature entertainment, health, financial, and travel information. Visit these Web sites and other online social networks aimed exclusively at a mature audience. Compare the content. Which groups and forums are present? What are the members' interests? Which topics are targeted toward this age group? Summarize the information you read and viewed.
Calculate the actual power transmitted to the second pulley and calculate the power which canb itted if the maximum tension in the belt is limited to half of the ultimate strength of the belt.
how much error would one expect in determining the specific enthalpy by applying the incompressible-liquid
steam powerplant produces 200 mw power. saturated steam exits boiler at 3mpa pressure. turbine exits 10kpa pressure.
Also calculate values for slip factor using the equations of Stodola and Busemann, comparing the answers obtained with the result found from Wiesner's equation.
Verify that heating the wire may be treated as a lumped-capacity process, find the steady-state temperature of the wire and find how long it takes for the temperature of the wire to reach 100°C.
consider a non-ideal vapor-compression cycle where refrigerant 134a flows at a rate of 0.05 kgs. the refrigerant enters
Water flows out through a set of thin, closely spaced blades as shown in Fig. P5.4 with a speed of V = 10 ft/s around the entire circumference of the outlet. Determine the mass flow rate through the inlet pipe.
An ideal compressor compresses 12 kg/min of air from 300K and 100 KPA isothermally to a final pressure of 600 KPA. Determine the power and heat transfer in kW.
A 10kg block sliding along a frictionless surface with a velocity of 10m/s comes into contact with a horizontal, uncompressed linear spring. If the spring slows the block down to 0 m/s while being compressed a total of 30 cm, what is its spring const..
If heat is transferred from the stove to the pan at a rate of 600 W, what is the temperature of the surface in contact with the stove for each of the two materials?
several methods have been tried to eliminate the droplets of condensed steam that hit and erode the last-stage blades
Air expands through a nozzle and exits supersonically. The throat area is 10 cm2, and the throat pressure is 100 kPa. Find the pressure on either side of the throat where the duct area is 24 cm2
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