Table 4 Variable: Initial Speed Trial | Initial Mass Diameter Initial Angle Projectile Range Height Time Height (kg) (m) Speed (m) (m] (5) (m] [m/s) 1 7.3 0.25 5 Cannon- ball 2 1 7.3 0.25 10 O Cannon- ball 3 1 7.3 0.25 15 O Cannon- ball 4 1 7.3 0.25 20 0 Cannon- ball 5 1 7.3 0.25 25 O Cannon- ball 6 1 7.3 .25 30 O Cannon- ball