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:

at^{2}/2+ut-s=0;

D=u^{2}+2as;

t_{1} = 2(-u +√(u^{2}+2as))/a.

t_{2} = 2(-u -√(u^{2}+2as))/a.

at

D=u

t

t

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