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29 March, 09:30

The area of the tympanic membrane is 100 mm 2 and the area of the oval window is 5 mm 2. if a sound wave applies 10 n to the tympanic membrane and the pressure is transmitted, unaltered, to the oval window, how much force is applied to the oval window?

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  1. 29 March, 12:29
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    The answer is "0.5N".

    According to the question;

    P1=P2

    so,

    F1/A1 = F2/A2

    P = (F/A)

    A1=100mm ²

    F1 = 10N

    A2 = 5mm ²

    F2 = ?

    F2 = ((F1 x A2) / A1)

    = ((10 x 5) / 100)

    =50/100

    =0.5N
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