An ideal heat engine operates between two
temperatures 367.7 K and 865.1 K. What is
the effici...
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How is the gravitational force related to the distance between two objects?
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Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value
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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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