Solved: A person standing on the roof of a building throws
Chapter 0, Problem Chapter 1.2.64(choose chapter or problem)
A person standing on the roof of a building throws a ball directly upward. The ball misses the rooftop on its way down and eventually strikes the ground. The function describes the ball s height above the ground, in feet, t seconds after it was thrown. a. Find the ball s average velocity between the time it was thrown and 2 seconds later. b. Find the ball s average velocity between 2 and 4 seconds after it was thrown. c. What do the signs in your answers to parts (a) and (b) mean in terms of the direction of the ball s motion?
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