Table 2 Variable: Initial Height Trial Initial Mass Diameter Initial Angle Projectile Range Height Time Height (kg] (m) Speed (m) (m) (s) (m) (m/s] 7.3 0.25 20 D Cannon- 9.03 0.452 ball 2 7.3 0.25 20 Cannon- 12.77 2 0.639 ball 3 7.3 0.25 20 O Cannon- 15.64 3 0.782 ball 4 4 7.3 0.25 20 Cannon- 18.06 4 0.903 ball 5 5 7.3 0.25 20 Cannon- 20.2 5 1.01 ball 5 7.3 0.25 20 Cannon- 22.12 6 1.106 ball 7.3 0.25 20 0 Cannon- 23.9 7 1.195 ball 8 7.3 0.25 20 Cannon- 25.55 8 1.277 ball 9 7.3 0.25 20 O Cannon- 27.1 9 1.355 ball 10 10 7.3 .25 20 0 Cannon- 28.56 10 1.428 ball