You are driving at a speed of 27 m/s (about 30 miles per hour) and decide to pass another car. you step on the gas and accelerate past the slower car. after 10 seconds you notice that you are now traveling at 29 m/s (about 65 miles per hour) what was your rate of acceleration

Which type of microscope would allow the viewer to see ribosomes inside a cell?

The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2

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 =