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1. Intro to Physics Units
Introduction to Units
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If a fathom is a measure of depth, which of the following is the most appropriate SI unit to express a depth measured in fathoms?
A
(meter)
B
(second)
C
(ampere)
D
(kilogram)
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Understand that a fathom is a unit used to measure depth, which is a measure of length or distance.
Recall that the SI unit for length or distance is the meter, represented as \(m\).
Recognize that other SI units given, such as second (\(s\)), ampere (\(A\)), and kilogram (\(kg\)), correspond to time, electric current, and mass respectively, which are not appropriate for measuring depth.
Therefore, the most appropriate SI unit to express depth measured in fathoms is the meter (\(m\)).
In summary, when converting or expressing depth, always use the SI unit of length, which is the meter (\(m\)).
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