
Concept explainers
Interpretation: The distance in kilometers, meters and feet to be determined.
Concept introduction: Moving from one unit to another through factors of conversion (established on equivalence statements between the units) is also called dimensional analysis.

Answer to Problem 42A
190 mile = 306km,
Explanation of Solution
Relationship between two different units is equivalent statement. Example, 1 in=2.54 cm. Conversion of 2 units is as follows:
Conversion of 190 miles to km is as follows:
Thus,190 mile = 306km.
Conversion of 190 miles to meter is as follows:
Thus
Conversion of 190 miles to feet is as follows:
Thus
Conversion factor is a ratio for switching from one unit to next. This is used to convert one unit to another.
Chapter 5 Solutions
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