h_(max) " of a projectile may be calculated by:" h_(max)=(v_i^2*sin^2 theta)/(2*g) theta=pi/8 * 180/pi theta=22,5 ^o sin theta=0,382683432365 sin^2 theta=0,146446609409 h_(max)=(14^2*0,14644609409)/(2*9,81) h_(max)=(196*0,14644609409)/(19,62) h_(max)~=1,463 " m"