PART II INELASTIC COLLISOIONS (Cars colliding with Velcro) Table 2a Inelastic collision data Run Mass1 (kg) Mass2 (kg) V1i (m/s) V2i (m/s) V1f (m/s) V2f (m/s) 1 0.26 0.51 0.37 0 0.11 0.11 2 0.26 0.51 0 -0.43 -0.28 -0.28 1 0.26 0.51 0.61 -0.48 -0.12 -0.12 Table 2b Analysis of Inelastic Collisions in terms of Total Momentum Run Total Pi (kg-m/s) Total Pf (kg-m/s) % difference between Pi and Pf ( Pi - Pf)/ Pf * 100 1 0.0962 0.0847 13.58% 2 -0.2193 -0.2156 1.72% 3 -0.0862 -0.0924 6.71% Table 2c Analysis of Inelastic Collisions in terms of Total Kinetic Energy Run Total KEi (J) Total KEf (J) % difference between KEi and KEf ( KEi - KEf)/ KEf * 100 1 0.0269 0.0208 29.33% 2 0.1396 0.1349 3.48% 3 0.0216 0.0248 12.90% Table 2b and Table2c report Inelastic collisions. With Velcro attached to the carts, these collisions are certainly not elastic. Discuss your results for Table 2b and Table 2c in terms of conservation of Total Momentum and conservation of Total Kinetic Energy. Also, what would you suggest as the major sources of error in the Inelastic Runs?
PART II INELASTIC COLLISOIONS (Cars colliding with Velcro)
Table 2a Inelastic collision data
|
Run |
Mass1 (kg) |
Mass2 (kg) |
V1i (m/s) |
V2i (m/s) |
V1f (m/s) |
V2f (m/s) |
|
1 |
0.26 |
0.51 |
0.37 |
0 |
0.11 |
0.11 |
|
2 |
0.26 |
0.51 |
0 |
-0.43 |
-0.28 |
-0.28 |
|
1 |
0.26 |
0.51 |
0.61 |
-0.48 |
-0.12 |
-0.12 |
Table 2b Analysis of Inelastic Collisions in terms of Total Momentum
|
Run |
Total Pi (kg-m/s) |
Total Pf (kg-m/s) |
% difference between Pi and Pf ( Pi - Pf)/ Pf * 100 |
|
1 |
0.0962 |
0.0847 |
13.58% |
|
2 |
-0.2193 |
-0.2156 |
1.72% |
|
3 |
-0.0862 |
-0.0924 |
6.71% |
Table 2c Analysis of Inelastic Collisions in terms of Total Kinetic Energy
|
Run |
Total KEi (J) |
Total KEf (J) |
% difference between KEi and KEf ( KEi - KEf)/ KEf * 100 |
|
1 |
0.0269 |
0.0208 |
29.33% |
|
2 |
0.1396 |
0.1349 |
3.48% |
|
3 |
0.0216 |
0.0248 |
12.90% |
Table 2b and Table2c report Inelastic collisions. With Velcro attached to the carts, these collisions are certainly not elastic. Discuss your results for Table 2b and Table 2c in terms of conservation of Total Momentum and conservation of Total Kinetic Energy. Also, what would you suggest as the major sources of error in the Inelastic Runs?
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