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

Algebra ->  Rational-functions -> SOLUTION: "The distance that a freely falling body falls varies directly as the square of the time it falls. If a body falls 400 feet in 5 seconds, how far does it fall in 3 seconds?" I       Log On


   



Question 212410This question is from textbook Intermediate Algebra
: "The distance that a freely falling body falls varies directly as the square of the time it falls. If a body falls 400 feet in 5 seconds, how far does it fall in 3 seconds?"
I respectfully request if you can show all work. Thank you very much.
This question is from textbook Intermediate Algebra

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
"The distance that a freely falling body falls varies directly as the square of the time it falls. If a body falls 400 feet in 5 seconds, how far does it fall in 3 seconds?"
s = kt^2 s = distance, k = a constant
400 = k*5^2 = 25k
k = 400/25 = 16
--> s = 16t^2
-----------
For 3 seconds:
s = 16*9
s = 144 feet