Draw the history graph D(x = 0 m, t) at x = 0 m for the wave shown in FIGURE EX16.5.
The history graph of the wave is shown.
The snapshot graph of the wave is given at time t =0 sec The velocity of the wave is given as v= 1 m/.sec The wave is traveling from right to left direction
A snapshot graph shows the displacement of the wave with respect to the position at a given time. A history graph show the displacement of the wave with respect to the time at a given position.
Analyse the snapshot graph
The history graph is shown below.
One cue your hearing system uses to localize a sound (i.e., to
tell where a sound is coming from) is the slight difference in the
arrival times of the sound at your ears. Your ears are spaced
approximately 20 cm apart. Consider a sound source 5.0 m from
the center of your head along a line 45 to your right. What is the
difference in arrival times? Give your answer in microseconds.
Hint: You are looking for the difference between two numbers that are nearly the same. What does this near equality imply about the necessary precision during intermediate stages of the calculation?
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