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The wave speed on a string is 148.9 m/s when the tension is 73.4 N. What tension will give a speed 184.9 m/s?

  • physics - ,

    Wave speed is proportional to the square root of tension. You want to increase the wave speed by a factor
    184.9/148.9 = 1.242
    Tension must increase by the square of that factor.

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