Kiitanj
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Making t the subject of the formula: S=ut- 1/2gt^2
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old_engineer
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(Original post by Kiitanj)
Making t the subject of the formula: S=ut- 1/2gt^2
This looks above GCSE to me, but what you have there is a quadratic equation in t, namely (1/2)gt^2 - ut + s = 0. You would solve that as for any other quadratic equation (and if you haven't learned about quadratics yet, you're not ready for this question).
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