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(a) Estimate the terminal speed of a wooden sphere (density 0.790 g/cm3) falling through air, if its radius is 8.00 cm and its drag coefficient is 0.500. (The density of air is 1.20 kg/m3.)(answer in m/s)

(b) From what height would a freely falling object reach this speed in the absence of air resistance? (answer in m)

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