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Research and write a 3 page paper on the following topics: 1. With the emergence of VoIP services do some research and tell us the difference between some of the major VoIP services. There are plenty out there (just do a Google search), but two good ones to start with are Skype and Vonage. 2. Research both legacy and VoIP telecommunications. Determine which one is more secure and why. 3. Research the topic of Presence. Define what it is and how it will be used in the telecommunications model. Provide 3 sources for your ideas.
the pressure in an automobile tire depends on the temperature of the air in the tire. when the air temperature is 25
The following suspension system has two support structures-a spring and a rubber pad. Vertical force F (N) acts on the moveable plate. The spring has a spring constant of k1 = 1000 N/m. The rubber pad has a spring constant of k2 = 20000 N/m. The rubb..
the combustion products in an internal combustion engine undergo an expansion process from an initial volume of 0.007
a mass of 13 g oxygen fills a weighted piston-cylinder device at 32 kpa and 150 degrees celsius. the device is now
a boiler produces saturated steam at 100psig pressure. the feedwater condensate returning to the boiler is saturated
as a designer you are required to develop a new closed sealed thermal energy storage cell that has a maximum reversible
Determine the centroidal moment of inertia for the following. The center circle is cut out. you have a rectangle standing up ward the height is 7 in and the width is 4 in there is a cut out hole in the center with 2 in for diameter.
A bullet is fired vertically at a latitude of 50 degrees N with a muzzle speed of 1000m/s. Neglecting air friction, determine the landing point of the bullet.
consider a steam power plant that operates on a simple nonideal rankine cycle and has a net power output of 38 mw.
If an automobile's braking distance from 100 km/h is 60 m on level pavement, determine the automobile's braking distance from 100 km/h when it is (a) going up a 60 incline, (b) going down a 2-percent incline.
a 2000kg weight is at the top of a 20m tower. the weight falls by pulley system and transfers all of its energy to a
thermopane window consists of two 6 -mm thick glasses separated by a stagnant air space of thickness 6 mm. the thermal
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