For H = 30.9 m and V1 = 10.0 m s−1 as in figure 4, we note that the calculated values θ ∗ = 69.4◦ and R = 27.1 m completely agree with the corresponding values which can be deduced from figure 4.
Vir H = 30.9 m en V1 = 10.0 MS-1 soos in figuur 4, ons daarop let dat die berekende waardes q * = 69.4◦ en R = 27.1 m Stem heeltemal met die ooreenstemmende waardes wat afgelei kan word uit figuur 4.