Coefficient of Restitution of a Tennis Ball - International School ...
Coefficient of Restitution of a Tennis Ball - International School ...
Coefficient of Restitution of a Tennis Ball - International School ...
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
ISB Journal <strong>of</strong> Physics June 2007Calculation <strong>of</strong> <strong>Coefficient</strong> <strong>of</strong> <strong>Restitution</strong>:Equation:COR ≡v′v 0Example from Figure 5:1.65 m/s / 2.25 m/s = 0.73 +/- 0.06Table 1: Velocities and <strong>Coefficient</strong> <strong>of</strong> <strong>Restitution</strong>TrialInitial Velocity(m/s) (+/- 0.09Final Velocity(m/s) (+/- 0.09)COR(+/- 0.06)1 2.25 1.65 0.732 2.40 1.74 0.733 2.40 1.53 0.644 2.40 1.75 0.735 2.41 1.75 0.736 2.72 2.07 0.767 3.16 2.18 0.698 3.28 2.19 0.679 3.60 2.18 0.6110 3.95 2.63 0.6711 4.05 2.52 0.6212 4.14 2.51 0.6113 4.21 2.52 0.6014 4.37 2.95 0.6815 4.58 2.94 0.6416 4.70 2.52 0.5317 4.72 2.74 0.5818 4.90 2.94 0.6019 5.01 2.94 0.5920 5.45 3.16 0.5821 5.52 3.14 0.5722 6.32 3.38 0.5323 6.59 3.56 0.5424 6.63 3.26 0.4925 6.66 3.38 0.51TrialInitial Velocity(m/s) (+/- 0.09Final Velocity(m/s) (+/- 0.09)COR(+/- 0.06)26 6.94 3.58 0.5227 7.13 3.62 0.5128 7.19 3.60 0.5029 7.44 3.83 0.5130 7.55 3.28 0.4331 7.57 3.73 0.4932 7.64 3.60 0.4733 7.64 3.71 0.4934 7.84 4.25 0.5435 7.86 3.60 0.4636 7.88 3.83 0.4937 7.89 3.62 0.4638 8.50 4.19 0.4939 8.66 4.50 0.5240 8.70 3.80 0.4441 9.29 4.31 0.4642 9.34 4.07 0.4443 9.72 4.37 0.4544 9.89 4.29 0.4345 10.05 4.67 0.4746 10.28 4.22 0.4147 10.94 4.60 0.4248 11.58 4.89 0.425
Change language