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A tennis ball is dropped 1.2 m above the ground With what velocity does it hit the ground before the ground stops it?
Wiki User
∙ 14y ago
mgh = 1/2 * m * v^2
v = sqrt (2 * 9.8 * 1.2)
v = 4.8 m/s [down]
Wiki User
∙ 14y ago
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