The stories of a tall building are uniformly 13.0 feet in height. A ball A is dropped from the rooftop position shown. Determine the times required for it to pass the 13.0 feet of the first, tenth, and one-hundredth stories (counted from the top). Neglect aerodynamic drag. 13.0' Answers: The time to pass the 13.0 feet of the first floor tenth floor t= 0.899 t= one-hundreth floor t= 2.84 8.98 sec sec sec

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Projectile Motion