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Introduction to the Time Independent Acceleration Equation This equation relates final velocity, original velocity, constantacceleration, and displacement:It reads:The square of the final velocity minus thesquare of the original velocity equals twice the acceleration times thedisplacement. Note that time does not appear in thisequation, and that is why it is termed time independent. Also, note that in the above form theequation is not really solved for any particular quantity,(or variable). To be useful in a problem, therefore, oneneeds to use algebra to rearrange the equation so that it issolved for the variable in question. Here is a sample problem and its solutionshowing the use of this equation. An object accelerates at 2.0 m/s/schanging its velocity from 4.0 m/s to 6.0 m/s. Over whatdisplacement does this acceleration occur?

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V f 2- v o 2 = 2adStart here.d = (v f 2- v o 2) / (2a)Rearrange the equation,solving for d.d = ((6.0 m/s) 2- (4.0 m/s) 2) / (2(2.0 m/s/s))Plug in values with units.d = 20 / 4Do some intermediatemathematics.d = 5.0 mCome up with a final answer.So, this object is displaced 5.0 mduring the acceleration. More:by solving the velocity equation for t andthen substituting that expression for t intothe displacement equation.Using algebra, this equation can bepresent in it.There arefor the quantities in this equation.

WASD Keyboard’s WASD V2 is the ultimate tinkerer’s keyboard. Like the Feenix Autore, the WASD V2 is focused more on aesthetics than frills. But where the Autore is a professionally designed, one-size-fits-all keyboard, the WASD V2 is your keyboard, because it’s custom-built.Go to the company's website and use its online designer to choose which Cherry MX switches it will use, whether or not it will have O-rings to dampen key clacking, the colors of its keycaps, its layout ( if you prefer Dvorak to QWERTY, for instance), and which symbol will be printed on the Windows key (Linux, anyone?).If that doesn’t provide enough choices, download WASD’s design file and create something completely custom. Want a Zelda-themed keyboard? It’s been done. Want your keyboard to display some phrase instead of QWERTY? Also been done.

The WASD V2 is for people who obsess over customizing their computers. People like me.The WASD V2 is also available in a 104-key configuration, if you want one with a numeric keypad.Yes, the V2 is my day-to-day keyboard and has been for some time now. I’ll be the first to acknowledge it’s not the flashiest choice.

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It has no backlighting or macro keys, for instance—heck, mine doesn’t even have a numeric keypad (I went for the 87-key model). But my V2 keyboard is undeniably my keyboard, just as my self-built PC is my gaming rig.I opted for a color scheme similar to the WASD default: A red Escape key and everything else in two-tone gray, with keycaps labeled with the Futura font. I could just as easily ordered an all-black keyboard with no key labels at all, or all-red keycaps that say “I.