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Standard Units of Measure

Standard Units of Measure. In physics, we use MKS : Meters [m] for length Kilograms [kg] for mass Seconds [s] for time These standard units can be combined to form other units Speed is m/s Force is kg-m/s 2

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Standard Units of Measure

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  1. Standard Units of Measure • In physics, we use MKS: • Meters [m] for length • Kilograms [kg] for mass • Seconds [s] for time • These standard units can be combined to form other units • Speed is m/s • Force is kg-m/s2 • Data not collected in standard units must be converted to MKS before any other calculations are done!

  2. How many meters is 57.5 cm? x m = 57.5 cm x m = 57.5(0.01)m x = 57.5(0.01) x = .575 Strategy: Translate words into an algebra sentence. Use staircase to translate metric prefix into a number. Solve for x. Converting Units

  3. How many kg is 48 grams? x kg = 48 g x (103) g = 48 g x (1000) g = 48 g Strategy: Translate words into an algebra sentence. Use staircase to translate metric prefix into a number. Solve for x. Converting Units

  4. 175 ms (micro-seconds) is how many seconds? 390 mm is how many meters? Now try these:

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