Repeat Prob. 2/47, except now include the effects of aerodynamic drag. The drag force causes an acceleration component in ft/sec² of 0.005v₂ in the direction opposite the velocity vector, where v is in ft/sec.

Data from Prob. 2/47

The stories of a tall building are uniformly 10 feet in height. A ball A is dropped from the rooftop position shown. Determine the times required for it to pass the 10 feet of the first, tenth, and one hundredth stories (counted from the top). Neglect aerodynamic drag.

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10위 A Problem 2/47