In the graph, a sample of water is heated from 40 degrees celsius to 100 degrees celsius. which statement correctly describes the curve? a) qr- liquid only rs- phase change liquid-gas st- gas only b) qr- liquid only rs- phase change liquid-solid st- solid only c) qr- solid only rs- phase change solid-liquid st- liquid only d) qr- phase change solid-liquid rs- liquid only st- phase change liquid-gas

Why is it important always to use horizontal bars in unit fractions when performing unit conversions?

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 =

Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers total displacement?