A 0.2 kg ball is dropped from a height of 10 meters. What is the velocity of the ball just before it hits the ground? (Assume \( g = 9.8 \, \text{m/s}^2 \) and neglect air resistance.)
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When an object falls freely under gravity, its velocity increases as it falls. The final velocity can be found using the equation \( v = \sqrt{2gh} \) for an object dropped from rest.