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Acompound machine is also called a machine. a. force b. simple c. complex d. directional
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Physics, 22.06.2019 16:50
Consider the growth of a 20-nm-diameter silicon nanowire onto a silicon wafer. the temperature of the wafer surface is maintained at 2400 k. assume the thermal conductivity of the silicon nanowire is 20 wm-1k-1 and all its surfaces including the tip are subjected to convection heat transfer with the coefficient h = 1×105 wm-2k-1 and t∞ = 8000 k. when the nanowire grows to l = 300 nm, what is the temperature of the nanowire tip (t (x =
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Physics, 22.06.2019 18:00
By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?
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Acar travels around a level, circular track that is 750m across. what coefficient of friction is req...
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