Physics, 20.09.2020 15:01 whatistheinternetpas
You place an ice cube of mass 7.50Γ10β3kg and temperature 0.00βC on top of a copper cube of mass 0.540 kg. All of the ice melts, and the final equilibrium temperature of the two substances is 0.00βC. What was the initial temperature of the copper cube? Assume no heat is exchanged with the surroundings.
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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 = 1Γ105 wm-2k-1 and tβ = 8000 k. when the nanowire grows to l = 300 nm, what is the temperature of the nanowire tip (t (x =
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You place an ice cube of mass 7.50Γ10β3kg and temperature 0.00βC on top of a copper cube of mass 0.5...
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