.Find the given relation independent of t.
vf=vi+at
S=Vit+1/2at?
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ou now know two formulae that relate the initial speed, Vi, the final speed, Vf, the distance, d, the acceleration, a and the time, t.
When you are solving a problem where you need to find one of these variables but you are lacking another one, you should combine the two formulae to eliminate the unknown variable. Here is a list of the combinations you can use when not given a variable:
Not Given Formula to eliminate that variable
( not needed )
d a = ( Vf - Vi ) / t
a d = 1/2 ( Vf + Vi ) × t
Vf 2d / t = at + 2Vi
Vi 2d / t = -at + 2Vf
t 2da = Vf² - Vi²
Step-by-step explanation:
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