1. a. R = 781.25 metres and H = 52.33 metres

b. x = 301.85 metres

c. RMAX = 1562.5 metres

d. T = 17.68 seconds

2. a.α = 20.9o or α = 69.1o

b. H1 = 397.7 metres

H2 = 2727.3 metres

3. V = 12.36 m/s

Distance beyond wall = 5.05 m