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Question: A desktop computer is to be cooled by a fan. The electronic components of the computer consume 80 W of power under full-load conditions. The computer is to operate in environments at temperatures up to 50°C and at elevations up to 3000 m where the atmospheric pressure is 70.12 kPa. The exit temperature of air is not to exceed 60°C to meet the reliability requirements. Also, the average velocity of air is not to exceed 120 m/min at the exit of the computer case, where the fan is installed to keep the noise level down. Specify the flow rate of the fan that needs to be installed and the diameter of the casing of the fan.
two cars travel 100ft. the first car has tires with 20-inch diameters and the second has tires with 26-inch
Let m =17 and n=23. Evaluate the expression (m-n)2-2mn/m3-n2
respond to one of the following why is a normal distribution called normal? investigate the answer to this question on
Let I be an ideal of R and let S be a subring of R. prove that I(intersection)S is an ideal of S. ALSO, show by some example that not every ideal of a subring S of a ring R
This week you have learned about the seven tools of quality. These tools are essential within the workplace and will improve your work environment.
In traveling three-fourths of the way around a circle a car travels 0.224 mi. What is the radius of the traffic circle? (Do not round until the final answer. Round to the nearest thousandth as needed)
The new iphone 6 plus has a perimeter of 471.8 millimeters. the height of the new phone is 2.5 millimeters more than twice its width. Find the dimensions of the new phone. please set up and solve this problem following the steps below:
How many times louder is a 60dB sound than a 10 dB sound? How many times more energy is released by a magnitude 5 earthquake than by a magnitude 3 earthquake? When you are 2 meters away from the speakers at a concert, the sound level is 140db. How fa..
Find the derivative of the function f by using the rules of differentiation.
A baseball player's batting average (total number of hits divided by total number of at-bats) is expressed in decimal form from 0.000.
The sum of the cubes of three consecutive positive integers is always a multiple of 9. Factorize x2n +1 - 1 as a product of real linear and quadratic polynomials.
A poster is to have an area of 160 in2 with 1 inch margins at the bottom and sides and a 3 inch margin at the top. What dimensions will give the largest printed area?
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