The length of a pendulum is defined as the point of suspension to the object's center...

 

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The length of a pendulum is defined as the point of suspension to the object's center of mass. Since locating the center of mass is not so obvious, a group of students decides to measure the length multiple times and find the average. They listed the following numbers in unit, meters: 1.514, 1.600, 1.486, 1.521, 1.588. The average and uncertainty for the data are 1.5418 and 0.02218. How should they report their measured length? Note that uncertainty is typically rounded to only 1 significant figure, which is standard practice in this lab course. The length of a pendulum is defined as the point of suspension to the object's center of mass. Since locating the center of mass is not so obvious, a group of students decides to measure the length multiple times and find the average. They listed the following numbers in unit, meters: 1.514, 1.600, 1.486, 1.521, 1.588. The average and uncertainty for the data are 1.5418 and 0.02218. How should they report their measured length? Note that uncertainty is typically rounded to only 1 significant figure, which is standard practice in this lab course.

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