The stress across a surface element (yellow disk) is the force that the material on one side (top ball) exerts on the material on the other side (bottom ball), divided by the area of the surface.
Overview. The WR450F retails for $8,290, making it the sixth-most expensive 450cc 4-stroke enduro bike of 2013. It comes equipped with a 449cc engine, which is slightly larger than average for a 4-stroke motor.he WR450F retails for $8,290, making it the sixth-most expensive 450cc 4-stroke enduro bike of 2013.
ferrari's prices vary a lot. you can get a new base F430 for about $200,000 or you can get an FXX for $2,000,000. but they dont make those anymore, and they were meant to be like a super Enzo. and Enzo's, which were sold new for $650,000, are now selling for around $1,500,000.