SOLUTION: Neglecting air resistance, the distance an object falls from rest varies directly with the square of the time of fall. If an object falls 21.5 feet in 1.4 seconds how far will it f

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Neglecting air resistance, the distance an object falls from rest varies directly with the square of the time of fall. If an object falls 21.5 feet in 1.4 seconds how far will it f      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 1066274: Neglecting air resistance, the distance an object falls from rest varies directly with the square of the time of fall. If an object falls 21.5 feet in 1.4 seconds how far will it fall in 4 seconds

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
s=kt^2
21.5=k(1.4^2)=1.96 k
k=10.97
now use k to solve for s.
s=10.97(4^2)=10.97*16=175.52 feet.