Physics, 09.06.2021 21:10 tinasidell1972
True or False: Sound waves are the longest wave lengths on the electromagnetic spectrum.
Answers: 3
Physics, 22.06.2019 16:50
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 =
Answers: 1
Physics, 22.06.2019 22:30
Which is a substance that can be separated by physical means and is not the same throughout
Answers: 2
Physics, 23.06.2019 00:50
A980-kg sports car collides into the rear end of a 2300-kg suv stopped at a red light. the bumpers lock, the brakes are locked, and the two cars skid forward 2.6m before stopping.the police officer, estimating the coefficient of kinetic friction between tires and road to be 0.80, calculates the speed of the sports car at impact. what was that speed?
Answers: 3
Physics, 23.06.2019 02:00
Athird point charge q3 is now positioned halfway between q1 and q2. the net force on q2 now has a magnitude of f2,net = 5.861 n and points away from q1 and q3. what is the value (sign and magnitude) of the charge q3?
Answers: 2
True or False: Sound waves are the longest wave lengths on the electromagnetic spectrum....
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