Your 'rubber band calibration' report has been received. Scroll down through the document to see any comments I might have inserted, and my final comment at the end.
Your initial comment (if any):
first line ruler markings, distance in actual cm between ends, how obtained:
1, 8.5
7.5 cm
I measured top to bottom with a ruler. This is rubber band number 1 and the above numbers represent the distance on the rubber band between the top and bottom.
+ - .02
The basis for your uncertainty estimate:
I feel that the ruler I used was very accurate.
Positions of the ends of each rubber band, actual lengths of each when the chain supports 1 domino:
5, 12.5
5, 12.5
5, 12.5
5, 12.5
5, 12.3
5, 12.2
End (these are measurements for 1 domino)
Distances between ends when supporting 2 dominoes
1, 8.5
1, 8.5
1, 8.5
1, 8.7
1, 8.3
1, 8.3
End (these are measurements for 2 dominoes)
Lengths when supporting 4, 6, ... dominoes:
7.7, 7.7, 7.8, 7.8, 7.7, 7.6
4 dominoes (above)
7.9, 7.9, 7.9, 8, 7.8, 7.8
6 dominoes (above)
8, 8.1, 8.1, 8.2, 8, 8
8 dominoes (above)
8.4, 8.4, 8.4, 8.4, 8.3, 8.3
10 dominoes (above)
End
Your table of force in Newtons vs. length in cm for all rubber bands
1 dom.:7.5, 7.5, 7.5, 7.5, 7.3, 7.2 - .19 Newtons
2 dom.:7.5, 7.5, 7.5, 7.7, 7.3, 7.3 - .38 Newtons
4 dom.:7.7, 7.7, 7.8, 7.8, 7.7, 7.6 - .76 Newtons
6 dom.:7.9, 7.9, 7.9, 8, 7.8, 7.8 - 1.14 Newtons
8 dom.:8, 8.1, 8.1, 8.2, 8, 8 - 1.52 Newtons
10 dom.:8.4, 8.4, 8.4, 8.4, 8.3, 8.3 - 1.9 Newtons
Describe the graph of your first rubber band
The graph of the first rubber band is increasing at an increasing rate.
The graph of the second rubber band is increasing at an increasing rate.
The graph of the third rubber band is increasing at an increasing rate.
The graph of the fourth rubber band is increasing at a more decreasing rate.
The graph of the fifth rubber band is increasing at a more decreasing rate.
The graph of the sixth rubber band is increasing at an increasing rate.
The tension force in your first rubber band at length 9.8 cm:
1.8
The length of your first rubber band when tension is 1.4 N:
9.3
The forces at your observed lengths the 1st rubber band, as given by the curve, and the deviations of those curve-predicted lengths from the observed lengths:
1 - 7.5 - .7
2 - 7.5 - .7
4 - 7.7 - .8
6 - 7.9 - 1.2
8 - 8 - 1.3
10 - 8.4 - 1.4
The lengths predicted for forces .19 N, .38 N, .76 N, 1.14 N, etc. by the curve for your first rubber band; the deviations of your actual observations from these predictions:
7.5, .19
7.5, .38
7.7, .76
7.9, 1.14
8, 1.52
8.4, 1.9
The typical error you estimate when predicting force for a given length from your graphs:
I have more faith in the curve, because it gives a more accurate description.
+ - .15 because of my own human error
The typical error you estimate when predicting length for a given force from your graphs:
+ - .05 and this is simply because of my own error in measurements that may have affected things
right at 2 hours
Your responses have been reviewed and everything looks good.
Please let me know if you have any questions related to this orientation assignment.