DATA
Part A
Ball
Mass (kg)
Initial V Pos (m)
Final V Pos (m) 1
Final V Pos (m) 2
Final V Pos (m) 3
Final V Pos (m) 4
Final V Pos (m) 5
Part B
Catcher/cart mass (kg)
Blocker length (m)
Units
Trial 1
Trial 2
Trial 3
Trial 4
Trial 5
0.0768
0.199
1.47
1.475
1
Sample Calculations
PART A
Initial Velocity
Ugi + kEi = Ugf + kEf
mghi + 1/2mVi = mghf + 1/2mVf
1/2Vi2 = ghf
Vi = 2ghf
Vi = 5.367
PART B
Velocity of Cart/Catcher/Ball
Vf = d/t
Vf = 0.15176/ 0.3452
Vf = 0.4396
Velocity of Ball Initial
Pi = P f
Vimball = Vf
SUMMARY OUTPUT
Regression Statistics
Multiple R 0.994662
R Square 0.989352
Adjusted R 0.987578
Standard E 0.033461
Observatio
8
ANOVA
df
Regression
Residual
Total
SS
MS
F Significance F
1 0.624217 0.624217 557.5103 3.79E-007
6 0.006718 0.00112
7 0.630935
Jorge da Silva
Dr. Lepo
Physics 103
18 March 2015
Not So Deadly Warfare
For my project, I will be creating the plans for a mid-evil siege engine that does not
exceed three feet in height and a Gothic era castle made of cardboard that has a volume of at
le