Measurements are recorded based on the scale of the measurement device and by listing one estimated...

 

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Measurements are recorded based on the scale of the measurement device and by listing one estimated digit. For example: the measurement of the nominal length of an object is obtained by inspecting the scale of the measurement device and collecting the value of the nearest marking plus an estimated digit. As a rule of thumb (i.e., when no additional information is available as in this case), the precision/uncertainty of one individual measurement is calculated as half the smallest division on the scale of the measurement device (i.e., the least count divided by 2). The individual measurement must be reported as: nominal length (including the estimated digit)\pm precision/uncertainty and the units of the measurement. Based on this, how would you report the length of the shock absorber shown below? Assume that the graduation of the ruler. Measurements are recorded based on the scale of the measurement device and by listing one estimated digit. For example: the measurement of the nominal length of an object is obtained by inspecting the scale of the measurement device and collecting the value of the nearest marking plus an estimated digit. As a rule of thumb (i.e., when no additional information is available as in this case), the precision/uncertainty of one individual measurement is calculated as half the smallest division on the scale of the measurement device (i.e., the least count divided by 2). The individual measurement must be reported as: nominal length (including the estimated digit)\pm precision/uncertainty and the units of the measurement. Based on this, how would you report the length of the shock absorber shown below? Assume that the graduation of the ruler.

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