A 2.o-kilogram stone that is dropped from the roof of a building takes 4.0 seconds to reach the ground. Neglecting air resistance, the maximum speed of the stone will be approximately (A) 8.0  m / s (B) 9.8  m / s (C) 29  m / s (D) 39  m / s Base your answers to questions 19 and 20 on the diagram below, which shows a 1-kilogram aluminum sphere and a 3 -kilogram brass sphere, both having the same diameter and both at the same height above the ground. Both spheres are allowed to fall freely. [Negl

3.3K views | And on this day … Princess learned how to whine her waist, jerk chicken & cook rice and peas  Big up to @bbrian205 for tagging me in this #theaccuracy | Dwight Stone | Facebook