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ch01 - Chapter 1 Introduction and Mathematical Concepts 1.1...

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Introduction and Mathematical Concepts Chapter 1
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1.1 The Nature of Physics Physics has developed out of the efforts of men and women to explain our physical environment. Physics encompasses a remarkable variety of phenomena: planetary orbits radio and TV waves magnetism lasers many more!
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1.1 The Nature of Physics Physics predicts how nature will behave in one situation based on the results of experimental data obtained in another situation. Newton’s Laws Rocketry Maxwell’s Equations Telecommunications
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1.2 Units Physics experiments involve the measurement of a variety of quantities. These measurements should be accurate and reproducible. The first step in ensuring accuracy and reproducibility is defining the units in which the measurements are made.
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1.2 Units SI units meter (m): unit of length kilogram (kg): unit of mass second (s): unit of time
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1.2 Units
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1.2 Units
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1.2 Units
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1.2 Units The units for length, mass, and time (as well as a few others), are regarded as base SI units . These units are used in combination to define additional units for other important physical quantities such as force and energy.
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1.3 The Role of Units in Problem Solving THE CONVERSION OF UNITS 1 ft = 0.3048 m 1 mi = 1.609 km 1 hp = 746 W 1 liter = 10 -3 m 3
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1.3 The Role of Units in Problem Solving Example 1 The World’s Highest Waterfall The highest waterfall in the world is Angel Falls in Venezuela, with a total drop of 979.0 m.
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