Question

A ball is kicked at 58 feet per second. How long is the ball in the air?

Answer 1

assuming it is from the ground and goes straight up ( a rather dubious assumption) it will be
\[58t-16t^2=0\]
\[16t(t-\frac{29}{8})=0\]
\[t=\frac{29}{8}\]

Answer 2

thanks!

Answer 3

yw