it hits the ground when its height is zero, so just solve for t in
–16t^2 + 3600 = 0
An object is dropped from a balloon 3600 feet above the ground. Find the time it takes to reach
the ground if the height of the object is given by the equation h(t) = –16t^2 + 3600
2 answers
plug in zero for h (the ground)
solve the quadratic for t
solve the quadratic for t
1 answer