The Speed of a Wave Pulse on a String Depends

question 94

Multiple Choice

The speed of a wave pulse on a string depends on the tension, F, in the string and the mass per unit length, μ, of the string. Tension has SI units of kg · m · s^-2 and the mass per unit length has SI units of kg · m^-1. What combination of F and μ must the speed of the wave be proportional to?

• A) F / μ
• B) μ / F

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