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নিচের কোন সমীকরণটি সঠিক?

s = \frac{v^{2} - u^{2}}{2 a}

u t = s + \frac{1}{2} a t^{2}

t = \frac{v + u}{a}

t = (\frac{u + v}{2}) s

ANS : 1

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