Waves, Sound and Light: Sound and Music
Sound and Music: Audio Guided Solution
Problem 17:
A steel piano wire is pulled to a tension of 448 N and has a mass density of 0.00621 kg/m. The string is 61.8 cm long and vibrates at its fundamental frequency.
a. Determine the speed at which vibrations travel through the wire.
b. Determine the wavelength of the standing wave pattern for the fundamental frequency.
c. Determine the frequency of its vibrations.
a. Determine the speed at which vibrations travel through the wire.
b. Determine the wavelength of the standing wave pattern for the fundamental frequency.
c. Determine the frequency of its vibrations.
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.
Read About It!
Get more information on the topic of Sound and Music at The Physics Classroom Tutorial.
Return to Problem Set
Return to Overview
View Audio Guided Solution for Problem:
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32