Question

# 1.    What does the y-intercept represent? (feel free to go...

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midpoint midpoint time position time velocity acceleration [s] [m] [s] [m/s] [m/s2] 0 0 N/A V/A N/A 0.0348 0.025 0.0174 0.718390805 9.720594347 0.0596 0.05 0.0472 1.008064516 9.909648668 0.0799 0.075 0.06975 1.231527094 9.969786378 0.0975 0.1 0.0887 1.420454545 9.690056021 0.1133 0.125 0.1054 1.582278481 9.363660067 0.1278 0.15 0.12055 1.724137931 11.19146166 0.1411 0.175 0.13445 1.879699248 8.063917838 0.1537 0.2 0.1474 1.984126984 11.02599046 0.1655 0.225 0.1596 2.118644068 8.116477293 0.1768 0.25 0.17115 2.212389381 13.34257402 0.1874 0.275 0.1821 2.358490566 6.573578946 0.1977 0.3 0.19255 2.427184466 12.32198429 0.2075 0.325 0.2026 2.551020408 8.348035151 0.217 0.35 0.21225 2.631578947 12.438043 0.2261 0.375 0.22155 2.747252747 12.40014781 Mean = 10.16506373 [m/s2] StdDev = 1.939924164 [m/s2] SDOM = 0.500886265 [m/s2] LINEST for midpoint velocity vs midpoint time slopem [m/s2] 9.876423706 0.541658039 y-int b [m/s] Am [m/s2] 0.0501041 0.007553266 Ab [m/s] R2 0.999665539 0.011696719 error in y 38855.53483 13 5.315951643 0.001778572

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1.    What does the y-intercept represent? (feel free to go back and look at the equations of motion!)

2.    How would you evaluate the adherence of the mathematical model to the kinematic equations? That is, what number(s) on this spreadsheet are an indicator that the behavior of the physical system (the data) matches our mathematical model (the kinematic equations)?

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