Dimensional Analysis

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Dimensional Analysis
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Dimensonal Analysis

• also known as
• factor-label method
• unit-factor method
• used to convert between units of measure for same
  quantity (ex length, mass, volume)
• requires conversion factors

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Conversion Factors

• 1.00
• 1 1-dollar bill
• 4 quarters (LAUNDRY MONEY!)
• 10 dimes
• 20 nickels
• 100 pennies

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Practice Problems

• How many pennies are in 1?
• How many nickels are in 5.50?

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Conversion Factors

• 1 meter
• 100 centimeters (cm)
• 1000 millimeters (mm)
• 1 million micrometers (mm)
• 1 billion nanometers (nm)
• 3.2808399 feet
• 39.3700787 inches

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Practice Problems

• How many micrometers (mm) are in 10m?
• How many nanometers (nm) are in 5m?
• How many nanometers (nm) are in 1 millimeter (mm)?

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Practice Problems

• I have a candy bar that is 15 cm long. I break
  off 15 mm to give to my sweetie. How much of the
  candy bar do I have left for myself in cm?

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Practice Problems

• I have 25 g of coffee grounds at home. I used
  10,000 mg to make coffee this morning. How much
  do I have left in g?

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Practice Problems

• How many seconds are in 1 day?