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1st Equation of Motion

If u=6m/s a...

Question

If $u = 6 m / s$ and $h = 1 m$ . Find the final velocity( $v$ )? Take $g = 10 m / s^{2}$

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Solution

$\begin{matrix} v^{2} = u^{2} - 2 g h v^{2} = {(6)}^{2} - 2 \times 10 \times 1 v^{2} = 36 - 20 v^{2} = 16 v = \sqrt{16} = 4 m / s \end{matrix}$

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