For example: A piece of flat metal measuring 5 x 5 feet and secured to the fron of a car. At 0 speed, what is the pressure on the face of the plate? I guess it's atmospheric, correct. But then the car starts rolling 10, 20, 30,....60 miles per hour. What is the pressure on the plate as the car accelerates towards 60MPH?
2007-08-09 11:58:48 · 2 answers · asked by Don S 5 in Science & Mathematics ➔ Physics
Sure there is.
it is ½ρCdAV² where ρ is the density of the fluid (air)
Cd is the drag coefficent for the flat plate (measured value, approx val 1.28)
A is the frontal area
V is the free stream velocity.
2007-08-09 14:25:50 · answer #1 · answered by ? 6 · 0⤊ 0⤋
If George Bush farts at 20 miles and hour, and Al Sharpton is "shuffling along " toward him at 10 miles an hour then we have:
Fart
____ = absolute zero (intelligence)
Shuffle
2007-08-09 19:02:52 · answer #2 · answered by Anonymous · 0⤊ 2⤋