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5 votes
Get S1 by itself


D=(1/2)t(s2 - s1)


s1 = ?

1 Answer

2 votes


D=\cfrac{1}{2}t(s2-s1)\implies D=\cfrac{t(s2-s1)}{2}\implies 2D=t(s2-s1) \\\\\\ 2D=ts2-ts1\implies 2D+ts1=ts2 \\\\\\ ts1=ts2-2D\implies s1=\cfrac{ts2-2D}{t}

User Frio
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