Question

Solve for t: xf = xi + at^2

Answer 1

at^2=xf-xi
t^2=(xf-xi)/a
t=sqrt ((xf-xi)/a)

Answer 2

dont forget give sign +- in front sqrt @stgreen

Answer 3

dude time can never be negative.....common sense

Answer 4

^ @RadEn

Answer 5

why not, if u square it u will back to the original problem :p

Answer 6

lol have you ever talked like "-4 mins"??

Answer 7

and do u agree like this :
x^-4=0
so, x=+-2, it means x satisfies for x=-2 or x=2

Answer 8

x^2-4=0 i meant :)

Answer 9

but TIME is nver negative na.....clocks don't go back....

Answer 10

Thanks for making it easy. I was stuck on the 2nd step for a minute there