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Solutions for Chapter 2: Fundamentals of Physics: 9th Edition

Fundamentals of Physics: | 9th Edition | ISBN: 9780470556535 | Authors: David Halliday; Robert Resnick; Jearl Walker

Full solutions for Fundamentals of Physics: | 9th Edition

ISBN: 9780470556535

Fundamentals of Physics: | 9th Edition | ISBN: 9780470556535 | Authors: David Halliday; Robert Resnick; Jearl Walker

Solutions for Chapter 2

Solutions for Chapter 2
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Textbook: Fundamentals of Physics:
Edition: 9
Author: David Halliday; Robert Resnick; Jearl Walker
ISBN: 9780470556535

Summary of Chapter 2:

One purpose of physics is to study the motion of objects-how fast they move, for example, and how far they move in a given amount of time. NASCAR engineers are fanatical about this aspect of physics as they determine the performance of their cars before and during a race. Geologists use this physics to measure tectonic-plate motion as they attempt to predict earthquakes. Medical researchers need this physics to map the blood flow through a patient when diag- nosing a partially closed artery, and motorists use it to determine how they might slow sufficiently when their radar detector sounds a warning. There are countless other examples. In this chapter, we study the basic physics of motion where the object (race car, tectonic plate, blood cell, or any other object) moves along a sin- gle axis. Such motion is called one-dimensional motion. Motion The world, and everything in it, moves. Even seemingly stationary things, such as a roadway, move with Earth's rotation, Earth's orbit around the Sun, the Sun's or- bit around the center of the Milky Way galaxy, and that galaxy's migration relative to other galaxies. The classification and comparison of motions (called kinematics) is often challenging. What exactly do you measure, and how do you compare? Before we attempt an answer, we shall examine some general properties of motion that is restricted in three ways. 1. Themotionisalongastraightlineonly.Thelinemaybevertical,horizontal,or slanted, but it must be straight. 2. Forces (pushes and pulls) cause motion but will not be discussed until Chapter 5. In this chapter we discuss only the motion itself and changes in the motion. Does the moving object speed up, slow down, stop, or reverse direction? If the motion does change, how is time involved in the change? 3. The moving object is either a particle (by which we mean a point-like object such as an electron) or an object that moves like a particle (such that every portion moves in the same direction and at the same rate). A stiff pig slipping down a straight playground slide might be considered to be moving like a par- ticle; however, a tumbling tumbleweed would not.

Fundamentals of Physics: was written by and is associated to the ISBN: 9780470556535. This textbook survival guide was created for the textbook: Fundamentals of Physics:, edition: 9. Chapter 2 includes 102 full step-by-step solutions. This expansive textbook survival guide covers the following chapters and their solutions. Since 102 problems in chapter 2 have been answered, more than 87098 students have viewed full step-by-step solutions from this chapter.

Key Physics Terms and definitions covered in this textbook
  • //

    parallel

  • any symbol

    average (indicated by a bar over a symbol—e.g., v¯ is average velocity)

  • °C

    Celsius degree

  • °F

    Fahrenheit degree

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