Waves, Sound and Light: Sound and Music
Sound and Music: Audio Guided Solutions
During a Variety Show practice, Jake plucked a string on his guitar, sending vibrations through it in both directions. The string is pulled to a tightness of 220 N and has a mass density of 0.013 kg/m. Determine the speed with which vibrations travel through the string.
Audio Guided Solution
Habits of an Effective Problem Solver
Read the problem carefully and develop a mental picture of the physical situation. If necessary, sketch a simple diagram of the physical situation to help you visualize it.
Identify the known and unknown quantities and record in an organized manner, often times they can be recorded on the diagram itself. Equate given values to the symbols used to represent the corresponding quantity (e.g., v = 345 m/s, λ = 1.28 m, f = ???).
Use physics formulas and conceptual reasoning to plot a strategy for solving for the unknown quantity.
Identify the appropriate formula(s) to use.
Perform substitutions and algebraic manipulations in order to solve for the unknown quantity.
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