SOLUTION: If a rock were droped from the top of a building. And the vertical distance the rock dropped doubled every second. What fraction of the building would the rock have traveled in 8 s

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: If a rock were droped from the top of a building. And the vertical distance the rock dropped doubled every second. What fraction of the building would the rock have traveled in 8 s      Log On


   



Question 47057: If a rock were droped from the top of a building. And the vertical distance the rock dropped doubled every second. What fraction of the building would the rock have traveled in 8 seconds,if it takes ten seconds for the rock to hit the ground?
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
F(d) = (9.8)2^(d)/(9.8)2^(10) for 9.8 meters per second as the initial velocity
F(d) = (9.8)(256) = 2508.8/10035.2 = 0.25 = 1/4