Unit 1.6 Dimensional Analysis Flashcards
Why did so many of the world adopt the metric system?
– Imperial conversions are too demanding to memorize
– Offers a faster and easier way
What is the acronym for metric conversions?
kats hate dogs __ dogs chase mice
How many cm are in 5.00 m?
– 1m = 100 cm (1*10^2)
– Units (m) cancel out and the remaining unit is cm. The unit wanted, cm, is the numerator of the factor 100 cm/1m and the unit to be cancelled, m, is the denominator.
– = 500 cm
How many litres are in 360. mL?
360.mL * 10^-3 = 0.360L
How many feet are in a mile?
5280 ft
How many inches are in a foot?
12 in
How many centimetres are in an inch?
2.54 cm
How many metres are in 100 centimetres?
1 m
How many square centimeters are in a square meter?
10000 cm^2
How many cubic meters are in a cubic decimetre?
– V = LWH
– 1 dm = 10cm
– 101010
– = 1000 cm^3
How many cubic centimetres are in a cubic metre?
– (1m)^3 = (100cm)^3
– 1m^3 = 1,000,000 cm^3
– = 1,000,000 cm^3
How many pounds are in a kilogram?
2.2 lb
How many kilometres are in a mile?
1.61 km
Convert 172 lb to kg.
– 172 lb x 1.00kg/2.2lb
– 78.2 kg