Momentum Conservation Lab
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ABCDEFGHIJKLMNOPQRSTUVWXYZAA
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in which 1 becomes 2
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mass (g)
pre-velocity (m/s)
post-velocity (m/s)
pre-momentum (kg m/s)
post-momentum (kg m/s)
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trial 1car A25003.200.80
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car B5000-1.40-0.70
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trial 2car A25003.500.88
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car B5000-1.70-0.85
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trial 3car A25003.700.93
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car B5000-1.50-0.75
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averagescar A00.87
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car B0-0.77
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total00.10
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momentum conservation:
absolute error0.10
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% error12.99%
(calculation depends on scenario)
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note: you should use Logger Pro to get your velocities, but ignore the signs and treat them like speeds; then add back the signs
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in a way that makes sense; that is, don't trust the signs given by Logger Pro; use common sense (right is + and left is -)
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repeat the data table twice more, for "in which 2 remain 2" and "in which 2 become 1"
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remember to write a sentence or two that summarizes your findings, i.e. a conclusion statement
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