SOLUTION: The distance that a free falling object falls is directly proportional to the square of the time it falls (before it hits the ground). If an object fell 45 ft in 7 seconds, how fa

Algebra ->  Real-numbers -> SOLUTION: The distance that a free falling object falls is directly proportional to the square of the time it falls (before it hits the ground). If an object fell 45 ft in 7 seconds, how fa      Log On


   



Question 1050653: The distance that a free falling object falls is directly proportional to the square of the time it falls (before it hits the ground). If an object fell 45 ft in 7 seconds, how far will it have fallen by the end of 8 seconds? (Leave the variation constant in fraction form or round to at least 2 decimal places. Round your final answer to the nearest foot.)
Answer by Sir226(11) About Me  (Show Source):
You can put this solution on YOUR website!
d=kt²
45=k×7²
45/49=49k/49
k=0.92
d=0.92×8²
d=58.9ft