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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!
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.
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
1.2 Units

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1.2 Units
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
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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