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Unformatted text preview: thunderstorm in cubic meters? • Volume = Area * Thickness • Area = ? • Thickness = ? How do you estimate this? • 5 miles * 5 miles * 2 inches • Unit conversion = 5 miles * 5,280 feet mile * 1 m 3.28 feet * 5 miles * 5,280 feet mile * 1 m 3.28 feet * 2 inches * 1 m 39.37 inches = 8,000 m *8,000 m *0.05 m = 3,000,000 m 3 mass = 3,000,000 m 3 *1000 kg m 3 = 3*10 9 kg = 2.5*10 6 tons 13 Problem • What is the angular size of your thumbnail at arms length? • The Moon is 250,000 miles from Earth • What is the diameter of the Moon? 14 Essential Concepts 1) Units 2) Significant figures 3) Unit conversion and estimating 4) Coordinate systems 5) Trigonometric relationships, angles, arc length, radius 6) Area, volume calculations and formulas 7) Estimating area and volume Coordinate systems...
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 Spring '09
 Saripalli
 International System of Units, Coordinate systems

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