Question: You drop a ball from rest from a window (12 mathrm{~m}) above the ground, and just before it hits the ground its speed is recorded

You drop a ball from rest from a window $12 \mathrm{~m}$ above the ground, and just before it hits the ground its speed is recorded to be $14.6 \mathrm{~m} / \mathrm{s}$. What percentage of the ball's kinetic energy is dissipated due to air resistance?

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