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: **
0, 7.5
7.5cm
I hung the chain from a paperclip attached to the wall, held a ruler next to the rubberband and measured. Rubberband 6, +-.01cm
** The basis for your uncertainty estimate: **
guess, Based off of visually looking at ruler
** Positions of the ends of each rubber band, actual lengths of each when the chain supports 1 domino: **
0,7.5
0,7.6
0,7.4
0,7.7
0,7.6
0,7.5
End
7.5,7.6,7.4,7.7,7.6,7.5
6,5,4,3,2,1
+-.01cm
** Distances between ends when supporting 2 dominoes **
7.7,7.8,7.7,8.0,8.1,7.6
** Lengths when supporting 4, 6, ... dominoes: **
7.9, 8.0,7.9,8.2,8.3,7.8
4
8.1,8.2,8.1,8.4,8.3,8.1
6
8.3,8.4,8.3,8.5,8.5,8.2
8
8.5,8.6,8.5,8.8,8.9,8.3
10
8.7,8.8,8.7,9.0,8.9,8.6
12
8.9,9.0,9.0,9.3,9.2,8.7
14
9.1,9.2,9.1,9.4,9.4,8.9
16
9.4,9.4,9.4,9.7,9.7,9.7
18
9.6,9.6,9.6,9.9,9.9,9.8
20
End
** Your table of force in Newtons vs. length in cm for all rubber bands **
7.5,7.6,7.4,7.7,7.6,7.5, .19N
7.7,7.8,7.7,8.0,8.1,7.6, .38N
7.9,8.0,7.9,8.2,8.3,7.8, .76N
8.1,8.2,8.1,8.4,8.3,8.1, 1.14N
8.3,8.4,8.3,8.5,8.5,8.2,1.52N
8.5,8.6,8.5,8.8,8.9,8.3, 1.90N
8.7,8.8,8.7,9.0,8.9,8.6, 2.28N
8.9,9.0,9.0,9.3,9.2,8.7, 2.66N
9.1,9.2,9.1,9.4,9.4,8.9, 3.04N
9.4,9.4,9.4,9.7,9.7,9.7, 3.42N
9.6,9.6,9.6,9.9,9.9,9.8, 3.80N
End
** Describe the graph of your first rubber band **
I would say it is increasing at an increasing rate throughout.
increasing at increasing rate
increasing at increasing rate
increasing at increasing rate
increasing at increasing rate
increasing at increasing rate
end
** The tension force in your first rubber band at length 9.8 cm: **
3.8
You didn't include units; be sure you understand what the 3.8 represents.
** The length of your first rubber band when tension is 1.4 N: **
8.4cm
** 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: **
.5N, .9N, 3.5N, 4N, 4.3N
+.31N, +.52N,
** 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: **
** The typical error you estimate when predicting force for a given length from your graphs: **
** The typical error you estimate when predicting length for a given force from your graphs: **
** **
2.5HOURS
** **
`gr31
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: **
0, 7.5
7.5cm
I hung the chain from a paperclip attached to the wall, held a ruler next to the rubberband and measured. Rubberband 6, +-.01cm
** The basis for your uncertainty estimate: **
guess, Based off of visually looking at ruler
** Positions of the ends of each rubber band, actual lengths of each when the chain supports 1 domino: **
0,7.5
0,7.6
0,7.4
0,7.7
0,7.6
0,7.5
End
7.5,7.6,7.4,7.7,7.6,7.5
6,5,4,3,2,1
+-.01cm
** Distances between ends when supporting 2 dominoes **
7.7,7.8,7.7,8.0,8.1,7.6
** Lengths when supporting 4, 6, ... dominoes: **
7.9, 8.0,7.9,8.2,8.3,7.8
4
8.1,8.2,8.1,8.4,8.3,8.1
6
8.3,8.4,8.3,8.5,8.5,8.2
8
8.5,8.6,8.5,8.8,8.9,8.3
10
8.7,8.8,8.7,9.0,8.9,8.6
12
8.9,9.0,9.0,9.3,9.2,8.7
14
9.1,9.2,9.1,9.4,9.4,8.9
16
9.4,9.4,9.4,9.7,9.7,9.7
18
9.6,9.6,9.6,9.9,9.9,9.8
20
End
** Your table of force in Newtons vs. length in cm for all rubber bands **
7.5,7.6,7.4,7.7,7.6,7.5, .19N
7.7,7.8,7.7,8.0,8.1,7.6, .38N
7.9,8.0,7.9,8.2,8.3,7.8, .76N
8.1,8.2,8.1,8.4,8.3,8.1, 1.14N
8.3,8.4,8.3,8.5,8.5,8.2,1.52N
8.5,8.6,8.5,8.8,8.9,8.3, 1.90N
8.7,8.8,8.7,9.0,8.9,8.6, 2.28N
8.9,9.0,9.0,9.3,9.2,8.7, 2.66N
9.1,9.2,9.1,9.4,9.4,8.9, 3.04N
9.4,9.4,9.4,9.7,9.7,9.7, 3.42N
9.6,9.6,9.6,9.9,9.9,9.8, 3.80N
End
** Describe the graph of your first rubber band **
I would say it is increasing at an increasing rate throughout.
increasing at increasing rate
increasing at increasing rate
increasing at increasing rate
increasing at increasing rate
increasing at increasing rate
end
** The tension force in your first rubber band at length 9.8 cm: **
3.8
You didn't include units; be sure you understand what the 3.8 represents.
** The length of your first rubber band when tension is 1.4 N: **
8.4cm
** 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: **
.5N, .9N, 3.5N, 4N, 4.3N
+.31N, +.52N,
** 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: **
** The typical error you estimate when predicting force for a given length from your graphs: **
** The typical error you estimate when predicting length for a given force from your graphs: **
** **
2.5HOURS
** **
&#Good work. Let me know if you have questions. &#