When a tuning fork for middle C is struck, the resulting sound wave has a frequency of
Question:
a. Identify the period of this wave. Make a graph showing about five complete cycles.
b. Suppose middle C on an out-of-tune piano is played and that the resulting wave has a frequency of 265 cycles per second. Write an equation to model the out-of-tune wave. Identify its period. Then make a graph using the same window as in 16a.
c. A piano tuner plays the out-of-tune C at the same time she uses the tuning fork. The two waves are added to produce a new sound wave. Write the equation that models the sum of the two waves. Graph a 0.5 s interval of this new equation.
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Related Book For
Discovering Advanced Algebra An Investigative Approach
ISBN: 978-1559539845
1st edition
Authors: Jerald Murdock, Ellen Kamischke, Eric Kamischke
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