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Throwing and Catching at Same Height

A stone is th...

Question

A stone is thrown vertically upward with a speed of $28 m / s$ .
Find the maximum height reacted by the stone.

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Solution

$u = 25 m / s, v = 0, a = - g = - 9.8 m / s^{2}$
$S = \frac{v^{2} - u^{2}}{2 a} = \frac{0^{2} - 28^{2}}{2 (9.8)} = 40 m$

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