Answer
$S=1.83\times10^{-3}m$
Work Step by Step
$2aS=v_f^2-v_i^2$
$\implies S=\frac{v_f^2-v_i^2}{2a}$
Putting the values in the formula, we get
$S=\frac{(3\times10^7)^2-(0)^2}{2(2.46\times10^{17})}$
$S=1.83\times10^{-3}m$
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