During a treasure hunt, Cody walks 45.0 m south and 7.59 m to the west. What single straight line displacement could Cody have taken to rest the treasure? (remember that magnitude and angel and direction are all needed for your answer)

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 =