Unit conversions Flashcards
What is the purpose of conversion factors in unit conversion?
To cancel out all units except those required for the answer
What is another name for the Unit Conversion Method?
Dimensional Analysis or Unit Analysis
When converting among derived units, what must you be careful about?
You may need to adjust conversion factors by squaring or cubing
What is the first step in setting up unit conversions?
Determine what information is given
In the conversion process, what do you need to ensure about the units?
That units cancel and the remaining units are the units desired
How many seconds are in a year?
Use unit conversion to solve
Fill in the blank: The conversion from 1 kg = _____ g.
1000
How do you convert 5 m to centimeters?
Use the conversion factor: 1 m = 100 cm
True or False: In unit conversion, the final unit must always be in the numerator.
False
What is the conversion factor to convert feet to meters?
1 m = 3.28 ft
How many liters are in 360 µL?
Use unit conversion to solve
Convert 74.5 mi/hr to m/s. What is the conversion factor for miles to kilometers?
1 mile = 1.609 km
How many square kilometers are in 3.02 x 10^6 mi^2?
Use the conversion factor: 1 mile = 1.609 km
If you need 325 cm of speaker wire and it costs $0.15/ft, how do you determine the total cost?
Convert cm to ft first using 1 in = 2.54 cm
What is the area in ft² if a factory needs 31.5 ft² of fabric to upholster one chair?
Use unit conversion to solve
