APFIVE String Mass Per Unit Length Calculation
Two identical violin strings are tuned to 440 Hz. A mass of 10 g is added to the center of one string (without changing its length), resulting in beats at 4 Hz. If the tension in both strings is 80 N and each string has a length of 0.3 m, what is the mass per unit length of each string?
A
3.41 × 10^-3 kg/m
B
6.82 × 10^-4 kg/m
C
1.15 × 10^-3 kg/m
D
2.72 × 10^-3 kg/m
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