However, Cauchy observed that the stress vector T {\displaystyle T} across a surface will always be a linear function of the surface's normal vector n {\displaystyle n} , the unit-length vector that is perpendicular to it.
Some do and some don't. A Nintendo Wii costs approximately $250 (the price range is $160-$380). <br /><br /> Don't forget that, in addition to the Wii itself, you have to buy games and controls; that'll cost an extra $50-$100.
$130 is the highest for that seven game bundle with Wii, incase you are wondering. If you feel lucky, charge a bit more than $110, but it might take you a while to sell that Wii bundle, You will sell MUCH faster at $110, so I would aim for $110).