Conceptual Physics
16.11 - Summary Sound waves are longitudinal mechanical waves. Instead of the peaks and troughs of transverse waves, sound waves ...
Chapter Assumptions Unless stated otherwise, use 343 m/s for the speed of sound. Chapter 16 Problems Conceptual Problems C.1 Why ...
at which each one can talk without exceeding the limit? dB 5.4 A cafe is known for its tasty blended juice drinks. The owner wor ...
17.0 - Introduction In this chapter, we will discuss what happens when two or more traveling waves combine with each other, as w ...
In Concept 1 below, we show what occurs when two peaks like the ones in the illustration above combine. We show the result at fo ...
17.2 - Standing waves Standing wave: Oscillations with a stationary outline produced by the combination of two identical waves m ...
17.3 - Reflected waves and resonance We have considered standing waves formed by two waves generated by separate sources, but th ...
To answer this question, we begin by considering the number of nodes that must be present on the vibrating string. The minimum n ...
The fundamental frequency of the string occurs when the only nodes are at the ends of the string. The fundamental frequency is a ...
There is only one solution to the problem we pose, given the range of string lengths and harmonics together with the wave speed ...
Step-by-step solution First, we determine the harmonic number by looking at the wave above. Then, we calculate the wave speed us ...
The principle of conservation of energy applies to sound waves. When two waves destructively interfere at some position, the ene ...
what happens if waves that have different properties are combined, and in this section, we consider such a situation. To be spec ...
17.10 - Summary The principle of linear superposition says that whenever waves travel through a medium, the net displacement of ...
Chapter 17 Problems Section Problems Section 0 - Introduction 0.1 Use the simulation in the first interactive problem in this se ...
Section 7 - Wave interference and path length 7.1 The apparatus shown demonstrates interference of sound waves. A pure tone from ...
18.0 - Introduction Thermodynamics is the study of heat (“thermo”) and the movement of that heat (“dynamics”) between objects. A ...
Another important concept is shown in the illustration to the right: absolute zero. At this temperature, molecules (in essence) ...
18.4 - Absolute zero Absolute zero: As cold as it can get. Absolute zero is a reference point at which molecules are in their mi ...
18.6 - Internal energy Internal energy: The energy associated with the molecules and atoms that make up a system. In the study o ...
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