Physics Project Mass of Paintball .0029 Kilograms Mass of Pendulum .4626 Kilograms From Eight Yards (7.3152 m) Trial Height diplacement on pendulum Velocity of Pendulum Velocity of Ball Avg. of Trials V = SQRT(2gh) 1 0.038 0.86301796 138.5292623 144.7603195 2 0.058 1.06620823 171.1448046 3 0.038 0.86301796 138.5292623 4 0.034 0.81633327 131.0355638 5 0.021 0.64156060 102.9815373 6 0.045 0.93914855 150.7495346 7 0.017 0.57723479 92.65613573 8 0.107 1.44817126 232.4564558 *** From Eight Yards (Trial #2) Trial Height diplacement on pendulum Velocity of Pendulum Velocity of Ball Avg. of Trials V = SQRT(2gh) 1 0.071 1.17966097 189.3559244 176.3643376 2 0.069 1.16292734 186.6698887 3 0.080 1.25219807 200.9993794 4 0.090 1.32815662 213.1920363 5 0.045 0.93914855 150.7495346 6 0.083 1.27546070 204.7334332 7 0.030 0.76681158 123.0864796 8 0.040 0.88543774 142.1280242 Muzzle Velocity Measurements Times Velocity Avg. Velocity 8.01 39.25 37.20 7.27 35.62 7.89 38.66 7.62 37.34 6.66 32.63 8.10 39.69 ***- Money Spot which equals about 519 mph