## Essential University Physics: Volume 1 (3rd Edition)

We can find the displacement in the x direction as $x=vt$ We plug in the known values to obtain: $x=(4.5)(18)=81m$ Similarly, the displacement in the y direction is $y=(\frac{1}{2})at^2$ We plug in the known values to obtain: $81=(\frac{1}{2})(a)(18)^2$ $a=0.5\frac{m}{s^2}$