Two students are on a balcony 19.6 m above the street. One student throws a ball vertically downward with a speed of 14.7 m/s. At the same instant, the other student throws a ball vertically upward at the same speed. The second ball just misses the balcony on the way down. a.) What is the difference in the time the balls spend in the air? b.) What is the velocity of each ball just before striking the ground? c.) How far apart are the balls 0.800 s after they are thrown?

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Projectile Motion