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?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter11: Collisions

Section: Chapter Questions

Problem 81PQ

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PART II INELASTIC COLLISOIONS (Cars colliding with Velcro)

Table 2a Inelastic collision data

Run	Mass₁ (kg)	Mass₂ (kg)	V_1i (m/s)	V_2i(m/s)	V_1f(m/s)	V_2f(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 P_i(kg-m/s)	Total P_f(kg-m/s)	% difference between P_i and P_f ( P_i - P_f)/ P_f * 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 KE_i(J)	Total KE_f(J)	% difference between KE_i and KE_f ( KE_i - KE_f)/ KE_f * 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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