Physics, 08.10.2019 05:30, melissarodrigue7
You are driving on the highway, and you come to a steep downhill section. as you roll down the hill, you take your foot off the gas pedal. you can ignore friction, but you can't ignore air resistance. identify all the forces acting on the car?
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Asquare isothermal chip is of width w=5 mm on a side and is mounted in a substrate such that its side and back surfaces are well insulated; the front surface is exposed to the flow of a coolant at tinf=15 °c. from reliability considerations, the chip temperature must not exceed t=85 °c. if the coolant is air and the corresponding convection coefficient is h=200 w/m2 x k, what is the maximum allowable "power" of the chip? if the coolant is a liquid for which h=3000 w/m2 x k, what is the maximum allowable power of the chip?
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You are driving on the highway, and you come to a steep downhill section. as you roll down the hill,...
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