Order of Magnitude Calculations

Always ask if a result is reasonable or believable.

Don't rely entirely on your calculation (remember; GIGO!).

If you're working in the lab and calculate that an air track glider had a speed of 567.89 m/s, STOP! That's an ernormous speed. Something has gone wrong.

Make an estimate before going through the detailed calculations.

Units Conversion			Significant Figures
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(c) 2005, Doug Davis; all rights reserved