Physics, 14.11.2019 03:31 gabbym39077
Adesktop computer is to be cooled by a fan. the electronic components of the computer consume 60 w of power under full-load conditions. the computer is to operate in environments at temperatures up to 45°c and at elevations up to 3400 m where the average atmospheric pressure is 66.63 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 110 m/min at the exit of the computer case where the fan is installed to keep the noise level down. determine the flow rate of the fan that needs to be installed and the diameter of the casing of the fan.
Answers: 1
Physics, 21.06.2019 20:30
Aball is thrown straight up into the air with a speed of 21 m/s. if the ball has a mass of 0.1 kg, how high does the ball go? acceleration due to gravity is g = 9.8 m/s^2. a. 22.5 m b. 20.0 m c. 25.0 m d. 17.5 m
Answers: 2
Physics, 22.06.2019 19:00
According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?
Answers: 3
Physics, 22.06.2019 21:50
To fully describe the photoelectric effect, scientists must consider which of the following to be quantized? o a. both light and matter o b. matter only o c. light only o d. neither light nor matter
Answers: 2
Physics, 22.06.2019 21:50
As microwave light travels through a liquid, it moves at a speed of 2.2 x 108 m/s. if the frequency of this light wave is 1.1 x 108 hz, what is the wavelength of this microwave?
Answers: 2
Adesktop computer is to be cooled by a fan. the electronic components of the computer consume 60 w o...
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