While doing the previous mentioned we recorded with the motion sensor the distance versus time, velocity versus time, and acceleration versus time. Instead of going with the acceleration versus time graph that the computer was able to give us, I made my own points of data using the velocity versus time graph by using its slope in between points to calculate the acceleration at each point...
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After calculating the slope between points I took that average and compared it to what the computer gave us for a line of best fit and my calculation came out to be -1.192 m/s2 and the computer's calculation was -1.22 m/s2. This in a way corresponds to what my prediction was but instead in my prediction I said it would be a different sign, as in positive (uphill) or negative (downhill), not thinking that acceleration is the same both ways...
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