(3) An object of mass 10 kg is dropped from a flying plane. The force of air resistance is 0.07v, where v is the velocity of object. How long has the object is traveled before it is within 10% of its terminal velocity? (assume that g = 9.8 m/sec?)

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A: Given , Fair = cv V= 5.55km/h V' = 19.3km/h Mass of cyclist plus bicycle m = 78.6 kg

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A: figure shows the given free body diagram.

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