Phy 101 lecture chapter 1

Chapter 1 The Scientific Method ,[object Object],[object Object],[object Object]

Show Explained ,[object Object]

1.1 What is Science? ,[object Object],[object Object],[object Object]

1.1 Two Kinds of Science ,[object Object],[object Object],[object Object],[object Object]

1.1 The Scientific Method ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

1.1 Hypothesis and Theory ,[object Object],[object Object]

1.1 Observation and Experiment ,[object Object],[object Object],[object Object]

1.1 Laws of Nature ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

1.1 Theories and Models ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

1.2 Why Science is Successful ,[object Object],[object Object],[object Object]

1.2 Science and Religion ,[object Object],[object Object],[object Object]

1.11 Neptune cont’d ,[object Object],[object Object]

1.2 Science and Religion ,[object Object],[object Object]

1.12 Units cont’d ,[object Object],[object Object],[object Object],[object Object],[object Object]

1.12 Base Units ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Multiply by 10 or divide by 10 for each place! 1.12 Why Metric? 1298347.2348756 1’s place 10’s place 100’s place 1000’s place 10th’s place 100th’s place

1.12 Subdivisions and Multiples of Base Units Prefix Power of 10 Abbreviation Prefix Power of 10 Abbreviation Hecto- 10 2 h Centi- 10 -2 c Kilo- 10 3 k Milli- 10 -3 m Mega- 10 6 M Micro- 10 -6 µ Giga- 10 9 G Nano- 10 -9 n Tera- 10 12 T Pico- 10 -12 p

1.12 Units: Examples 1km = 1 kilometer = 10 3 meters = 1000 meters 1 GHz = 1 GigaHertz = 10 9 Hertz = 1000,000,000 Hertz 1mm = 1 millimeter = 10 -3 meters = 0.001 meters 1nsec = 1 nanosec = 10 -9 seconds = 0.000,000,001 seconds

1.12 kilometers, meters and centimeters

1.12 Conversion Factors 1 meter (m) = 100 cm = 1000 mm = 3.28 ft 1 kilometer (km) = 1,000 m = 0.621 mile 1 mile (mi) = 5280 ft = 1.609 km 1 foot (ft) = 12 in = 0.305 m = 30.5 cm 1 day = 24 hrs = 86,400 s

Distance: Example 1.1 ,[object Object],[object Object],[object Object]

1.12 Significant Figures ,[object Object],[object Object],[object Object]

Phy 101 lecture chapter 1

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