Answer to Question #1256 in Algebra for Na

Question #1256

s=ut+at²/2. make t the subject of the formula

Expert's answer

You have to solve the quadratic equation respect to t:
at²/2+ut-s=0;
D=u²+2as;
t₁ = 2(-u +√(u²+2as))/a.
t₂ = 2(-u -√(u²+2as))/a.

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