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.
1 The very first original Nintendo Game Boy can cost anywhere from $20 used to $150 new, since it is rather rare to find new. 2  The Game Boy Advanced SP comes in various colors and ranges anywhere from $160 new to $40 used.3  The Game Boy Micro costs anywhere from $80 to $100. The Game Boy Micro costs anywhere from $80 to $100. 2  An older model, the Game Boy Color can range anywhere from $35 to $80 used. 3  To purchase new, itâs rather rare and can cost up to $500. 4  The Game Boy Advance comes in many various colors.