SOLUTION: The distance that a free falling body falls varies directly with the square of the time it falls. If a body fall 400 feet in 5 seconds, how far does it fall in 3 seconds?

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: The distance that a free falling body falls varies directly with the square of the time it falls. If a body fall 400 feet in 5 seconds, how far does it fall in 3 seconds?      Log On


   



Question 168320: The distance that a free falling body falls varies directly with the square of the time it falls. If a body fall 400 feet in 5 seconds, how far does it fall in 3 seconds?
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
400%2F5%5E2=x%2F3%5E2
400%2F25=x%2F9 cross multiply
25x=3600
highlight%28x=144%29feet