Radical expressions?

0 ⤊

t=¼sqrt(1400) or t=1/(4*sqrt(1400))?
I am trying to figure out the time required for an object to fall to the ground from a building 1400ft high.

2006-09-18 05:27:35 · 2 answers · asked by Michele P 1 in Science & Mathematics ➔ Mathematics

x=(1/2)*at^2
2x=at^2
t=sqrt[2x/a]

need to know "a" (for gravity) in ft/sec^2

2006-09-18 05:53:48 · answer #1 · answered by bubsir 4 · 0⤊ 0⤋

do your own homework

2006-09-18 05:31:12 · answer #2 · answered by mytrollinid 5 · 0⤊ 1⤋