Its wrong can u redo it

March 18, 2026Physics

ScanSolve AI Answer

Answer

20 \text{ m}

4 steps

Use the kinematic equation for maximum height where final velocity $v_f = 0$ m/s at the top.
$v_f^2 = v_i^2 + 2 a s$
Substitute values with units
$v_i = 20$ m/s, $a = -g = -10$ m/s², $s = h$ (maximum height).
$0^2 = (20 \text{ m/s})^2 + 2 (-10 \text{ m/s}^2) h$
Simplify.
$0 = 400 \text{ m}^2/\text{s}^2 - 20 \text{ m/s}^2 \cdot h$
Solve for $h$ .
$20 \text{ m/s}^2 \cdot h = 400 \text{ m}^2/\text{s}^2$ $h = \frac{400 \text{ m}^2/\text{s}^2}{20 \text{ m/s}^2} = 20 \text{ m}$
Final answer: $\boxed{20 \text{ m}}$

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