$y_0=1\mathrm{.}502m$

$y=4\mathrm{.}358m$

$v_{0}y=v_0*sin40$

$v_y=0.\frac{m}{s}$

$a_y=-9\mathrm{.}8\frac{m}{s^2}$

$t=0\mathrm{.}5sec$

$x_0=0$

$x=18\mathrm{.}68m$

$v_{0}x=v_0*cos40$

$t=0\mathrm{.}5$

equations:

$v=V_0+V_{0}yt-\frac{1}{2}a{t}^2$

$x=x_0+Vt$

$V=\sqrt[\phantom{2}]{x^2+y^2}$

Find initial velocity using x and y components and the formual for magnitude. Ignore friction.