Analysis
Part 1: Analyzing uniform acceleration of data. The average acceleration of the
data as 8300 mm/s
2
. These values vary from uncertainties in each of the measurements
taken. The standard deviation would be 326.06. This is the standard uncertainty of our
data.
Velocity
y = 425.62x + 5.3957
R
2
= 0.9991
0
50
100
150
200
250
0
0.1
0.2
0.3
0.4
0.5
Time in seconds
Change in distance in mm
Series1
Linear (Series1)
Two graphs were drawn, one by hand and one by a the computer. The slope of the hand
drawn graph was 436mm/sec. The graph the computer gave had a slope of 425.62. The
average percent difference is equal to 2.4%. This means that the graphs slopes were very
similar. The R value for the computer graph was .9991. This value is very close to one,
meaning that the data has a very strong positive linear relationship. The acceleration
value we determined was 8300 +/ 326.06. The expected value would be 9800mm/s
2
.
Although this outcome is not perfect, we must also remember that the setup was not
perfect. The paper strip did experience some friction and there are other things that could
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 Spring '08
 Staff
 Electronics, Acceleration, positive linear relationship

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