What is the displacement of an airplane that takes off and ascends 10,000 feet in the air but, to avoid turbulence, descends down 2,000 feet? A. 8,000 feet total
B. 8,000 feet up
C. 18,000 feet total
D. 18,000 feet up

Which of the following are appropriate acceleration units?

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 =

An alarm clock has a current of 4.5 amps and a resistance of 3.2 ohms. what is the voltage in the circuit? a.1.4 volts b.0.71 volts c.14 volts d.46 volts