Conceptual Physics
Table of Contents 0 Introduction 1 Measurement and Mathematics Mechanics 2 Motion in One Dimension 3 Vectors................... ...
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0.0 - Welcome to an electronic physics textbook! Textbooks, like this one, contain words and illustrations. In an ordinary textb ...
The electric generator is an advanced topic, and if you are just beginning your study of physics, it presents you with many unfa ...
Examples work basic problems 0.2 - Interactive problems In the first section of this chapter, we encouraged you to try various s ...
It is often helpful to draw a diagram of the problem, with important values labeled. Although almost every problem is stated usi ...
This section shows you an example of an interactive checkpoint. We chose a problem that uses mathematics you may be familiar wit ...
0.6 - Highlighting and notes You can add notes or highlight text on most sections of the textbook. Notes always appear at the to ...
1.0 - Introduction Heavyweight, lightweight, overweight, slender. Small, tall, vertically impaired, “how’s the weather up there? ...
based on the Earth’s circumference, the meter is now defined as the distance light travels in a vacuum during the time interval ...
1.3 - Scientific notation Scientific notation: A system, based on powers of 10, most useful for expressing very large and very s ...
Physical constants Empirically determined values G = 6.674 2×10í^11 N·m^2 /kg^2 1.5 - Length If you live in a country that uses ...
1.6 - Time Despite the appeal of measuring a lifetime in daylights, sunsets, midnights, cups of coffee, inches, miles, laughter, ...
1.8 - Converting units At times, you will need to convert units. Some conversion factors you know, such as 60 seconds in a minut ...
1.9 - Sample problem: conversions Variables We will use a to represent the acceleration we are converting. What is the strategy? ...
Finally, we convert to terameters per second squared, or Tm/s^2. "Tera" means 10^12. Step Reason 6. multiply by conversion facto ...
What is the length of the hypotenuse? c^2 = a^2 + b^2 = 5^2 + 12^2 = 25 + 144 c^2 = 169 1.12 - Trigonometric functions You will ...
ș = arccos (adjacent / hypotenuse) ș = arctan (opposite / adjacent) Often written: siní^1 , cosí^1 , taní^1 If the tangent of ș ...
1.14 - Sample problem: trigonometry The lengths of two sides of a right triangle are shown. Variables What is the strategy? Use ...
Finally, we convert the angle from degrees to radians. There are other ways to solve this problem. For example, you could first ...
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