A force probe is used to stretch a spring by $$\(20 \mathrm{~cm}\)$$. The graph of the force as a function of distance shown in the preceding figure is produced and used to determine the amount of work done in stretching the spring $$\(20 \mathrm{~cm}\)$$. The experimenter reports the result as $$\(3,000 \mathrm{~N} \cdot \mathrm{cm}\)$$. Which of the following is a reasonable estimate of the experi- mental uncertainty on this measurement?
A.
\(3,000 \pm 3 \mathrm{~N} \cdot \mathrm{cm}\)
B.
\(3,000 \pm 30 \mathrm{~N} \cdot \mathrm{cm}\)
C.
\(3,000 \pm 300 \mathrm{~N} \cdot \mathrm{cm}\)
D.
\(3,000 \pm 3,000 \mathrm{~N} \cdot \mathrm{cm}\)
Exam No：AP Physics 1 Problem Set 1 Year：2024 Question No：27
Answer:
C
Knowledge points:
4.2 Work and Mechanical Energy
Solution:
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