DIMENSIONAL ANALYSIS DIMENSIONAL ANALYSIS Is used to convert

DIMENSIONAL ANALYSIS

DIMENSIONAL ANALYSIS Is used to convert units of measurements. Units for Mass Weight-Pounds (lb) Weight-Ounces (oz)- 16 oz = 1 lb Grams (g) Kilo (kg)- 1000 Deci- 1/10 Centi 1/100 Milli- 1/1, 000 Micro- 1/100, 000

Units for Volume Gallons (gal) Pints (pt) Ounces (fl oz) Liters (L) – kilo, deci, centi, milli… Units for Length Miles (mi) Foot (ft) Yard (yd) 1 yd = 3 ft Inches (in) 1 in = 2. 34 cm Meters (m) – kilo, deci, centi, milli….

CONVERSION FACTORS

CONVERTING 34. 2 cm 1 in 2. 34 cm = 14. 6 in

CONVERTING 8. 9 lbs 16 oz 1 lbs = 142. 4 oz

CONVERTING How many meters is 84. 1 yards. (1 m = 3. 28 ft) What do we know? Known from question: 84. 1 yards Unknown from question: ? Meters Conversion Factors: 1 m = 3. 28 ft 3 ft = 1 yard 84. 1 yd 3 ft 1 m 1 yd 3. 28 ft = 76. 9 m

CONVERTING How many seconds are in 61 days? What do we know? Known from Questions: 61 days Unknown from questions: ? Seconds Conversion Factors: 1 day = 24 hours 61 days 24 hr 1 day 1 hour = 60 mins 1 hr 60 secs 1 min= 60 seconds = 5. 27 x 106 secs

PRACTICE PROBLEMS 1. How many eggs are in 34 dozen? 2. How many feet are in 25 miles? (1 mile=1760 yd) 3. How many hours is 6235 seconds? 4. How many m. L is 45 k. L? 5. How many kg is 134 cg? 6. How many m are in 72 km?