Columbia University PHYSICS LABORATORY TUTORIAL

Contents > 1. > 2. > 3. > 4. Error Propagation > 4.1. Sums and Differences > 4.2. Products and Quotients > 4.3. Multiplying by a Constant > 4.4. Powers > 4.5. Exercises > 5.

4.5. Exercises

Usus magister est optimus. In other words, experience is the best teacher. Below are exercises covering the material in this chapter. After you make your selections, click "Submit" to see the answers.
You measure the following quantities:
A = 1.0 m ± 0.2 m, B = 2.0 m ± 0.2 m, C = 2.5 m/s ± 0.5 m/s, D = 0.10 s ± 0.01 s.
Choose the correct answers for the following expressions:
A + B =
3.0 m ± 0.0 m
3.0 m ± 0.2 m
3.0 m ± 0.4 m
B − A =
1.0 m ± 0.0 m
1.0 m ± 0.2 m
1.0 m ± 0.4 m
C × D =
0.25 m ± 0.05 m
0.25 m ± 0.08 m
0.25 m ± 0.51 m
B / D =
20. m/s ± 4 m/s
20. m/s ± 10 m/s
20. m/s ± 20 m/s
3 × A =
3.0 m ± 0.2 m
3.0 m ± 0.3 m
3.0 m ± 0.6 m
The square root of (A × B) =
1.4 m ± 0.1 m
1.4 m ± 0.2 m
1.4 m ± 0.4 m
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