Physics lab homework help

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answer the questions and do the tables

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Data and calculations Table L 4m) St. (s) Atasi Atics) 17-91 odo 18.4 18.5 15.47 16.4 13-74 15.99 13.57 0.6 13.87 0.5 12.49 1270 9.24 12.57 9.55 1.45 O. 2 7.78 8.5 第 8.56 0.4 Data and calculation 2 Al₂ ) At₃ (5) m (kg) / Stics) 0.0500 18.4 18.55 18.24 18.7 18.6 20.3 o-looo 18.82 21.08 18-14 0 2000 o.fooo 18.30 18.53 18.33 Name Section Date Lab Partners 19 LABORATORY 19 The Pendulum-Approximate Simple Harmonic Motion LABORATORY REPORT Data and Calculations Table 1 L (m) At(s) Atz (s) Atz (s) At(s) T(s) VI (Vm) 1.0000 0.8000 0.6000 0.5000 0.3000 0.2000 0.1000 Slope= Sexp = m/s2 T%3D Data and Calculations Table 2 M (kg) ΔΙ, (S) Atz (s) Atz (s) At (s) 04 (s) T(s) 0.0500 0.1000 0.2000 0.5000 COPYRIGHT © 2008 Thomson Brooks/Cole 203 204 Physics Laboratory Manual Loyd COPYRIGHT © 2 203 204 Physics Laboratory Manual Loyd Data and Calculations Table 3 0 At(s) At2 (s) Atz (s) At(s) 0 (s) Texp (s) Ttheo (s) Texp(0) Texp(59) Ttheo (0) Theo(5) 5.0° 10.0° 20.0° 30.0° 45.0° SAMPLE CALCULATIONS 1. Texp = At/10 = 2. L = 3. Sexp = 47/(slope)? = 4. Ttheo = QUESTIONS 1. In general, what is the precision of the measurements of T? Answer this question by considering what percentage is of At for the measurements as a whole. 2. Do your data confirm the expected dependence of the period T on the length L of a pendulum? Consider the correlation coefficient r for the least squares fit in your answer. 3. Comment on the accuracy of your experimental value for the acceleration due to gravity 8. Laboratory 19 The Pendulum-Approximate Simple Harmonic Motion 205 4. What does the theory predict for the shape of the graph of period T versus M? Do your data confirm this expectation? Calculate the mean and standard error of the periods for the four masses and comment on how this relates to mass independence of T. 5. Do your measured values for the period T as a function of the amplitude e confirm the theoretical predictions? State clearly what is expected and what your data show. 6. The values of T were determined by measuring the time for 10 periods. Why is the time for more than one period measured? If there is an advantage to measuring for 10 periods, why not measure for 1000 periods?
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L (m)

∆t 1(S)

∆t 2 (S)

∆t 3 (S)

Mean ∆ t

α t(S)

T(s)

0.1823

2.007

1.0000

1.795

0.8944

√(𝑙)

(S)
1.0000

18.4

17.91

18.5

18.27

0.8000

16.4

15.99

14.47

15.95

0.6000

13.79

13.57

13.87

13.74

0.0897

1.555

0.7746

0.5000

12.70

12.49

12.57

12.59

0.0612

1.419

0.7071

0.3000

9.24

9.45

9.55

9.41

0.0914

1.099

0.5477

0.2000

7.78

8.5

8.56

8.28

0.2506

0.898

0.4472

0.635

0.3162

0.6317

0.1000
Slope= 1.5625

gexp=16.17

r=0.862

M (kg)

∆t 1(S)

∆t 2(S)

∆t 3(s)

Mean ∆t(s)

αt(s)

T(s)

0.0500

18.4

18.55

18.29
...


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