Here is a spreadsheet which has my take on the data and calculations for Honors Section 2. Note that the only big errors are for the last three trials. Looking at the data for these trials I see that cart A is consistently much slower then cart B. I suspect that cart A was in or very near the gate when cart B struck it. If this was so, the time in the gate would be longer than just the transit time associated with the initial and final velocities. This would give over long times and lower velocities for cart A which would probably explain the errors. If we have time sometime soon, we will rerun theses trials with a wider distance between the gates and see what happens.
CollisionLab.xls
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