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14 January, 19:40

In the study of sound, one version of the law of tensions is:

f1 = f2 √ (F1/F2)

If f1 = 300, F2 = 60, and f2=260, find f1 to the nearest unit.

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  1. 14 January, 22:33
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    F1 = 80

    Explanation:

    f1 = f2 √ (F1/F2)

    Where f1 = 300, f2 = 260 and F2 = 60

    Putting in the above formula

    300 = 260√ (F1/60)

    Dividing both sides by 260

    => 1.15 = √ (F1/60)

    Squaring both sides

    => 1.33 = F1/60

    Multiplying both sides by 60

    => F1 = 80
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