LAB REPORT FOR M0 EXPERIMENT: ERROR ANALYSIS
VI1:
For this section of the lab we were to measure the time (in seconds) it took for a simple pendulum to
complete 5 periods (from point A to point B then back to point A = 1 period). We were to record the time (in
seconds) for 5 periods in a table (below) 10 times in total.
Using EXCEL I found the avg. value it took for 1
period of the pendulum (T), as well as the
standard deviation (
σ
Τ
29
.
T = (1.71 ± 0.05) sec
VI2:
In this part of the experiment, using a
meter stick we measured the elongation (X) of a spring as function of the mass hanging from its end. This is
shown in the table below. X
1
represents the start distance with no mass attached and X
2
represents displacement
based on the mass attached to the spring. These values can be subtracted to give us the formula for elongation
which is (X) = X
1
– X
2
. Due to the fact that the mass and spring assembly move so easily it becomes difficult to
read the meter stick precisely. Because of this difficulty we have chosen to read to the nearest mm.
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 Fall '08
 SHI
 Physics, Least Squares, Force, Robert Hooke, Elongation

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