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# Kinematics Equations

Q: What are the kinematics equations?

$d = \frac{v_i+v_f}{2} \cdot t$

$d = v_i\cdot t + \frac{1}{2}at^2$

$v_f = v_i + at$

$v_f^2 = v_i^2 + 2ad$

Where
$d$ = displacement
$v_i$ = initial velocity
$v_f$ = final velocity
$a$ = acceleration
$t$ = time

These are very useful, and you will use them many times before you are finished Physics 11. It would definitely help to memorize them!

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