Linux kernel newbies em português

The Doppler effect is Buy Fifa 14 Coins best described by the example of a passingsiren (or by Sheldon in this clipfrom The Big Bang Theory). When an object is movingand making sound, the waves ahead of it are bunched together whilebehind it they're spread out. This means that when it comes towardan observer, it seems high pitched, and when it passes there is anapparent drop in pitch where the waves being heard are more spreadout.