Data Table in Revolutions Data Table in Meters Type of Wood Mass of Projectile (g) Trial Cherry Walnut Oak Maple Birch Trial 82 73 83 70 92 1 20.5 24 17.5 17 21 1 24.6 28.8 21 20.4 25.2 2 20.5 21 21.5 19.5 19 2 24.6 25.2 25.8 23.4 22.8 3 19 22 21.5 16 20.5 3 22.8 26.4 25.8 19.2 24.6 4 18 20 22 17 23 4 21.6 24 26.4 20.4 27.6 5 21.5 20 18.5 19 21 5 25.8 24 22.2 22.8 25.2 Mean 19.9 21.4 20.2 17.7 20.9 Mean 23.88 25.68 24.24 21.24 25.08 Standard Deviation 1.387443693 1.673320053 2.049390153 1.483239697 1.431782106 Standard Deviation 1.664932431 2.007984064 2.459268184 1.779887637 1.718138528 Mass of Projectile Mean Distance Travelled 70 23.88 73 25.68 82 24.24 83 21.24 92 25.08