Two balloons are charged with an identical quantity and type of charge: -6.25 nanoCoulombs (10-9). They are held apart at a separation dista

Question

Two balloons are charged with an identical quantity and type of charge: -6.25 nanoCoulombs (10-9). They are held apart at a separation distance of 61.7 cm (make sure to use METERS!). Determine the magnitude of the electrical force of repulsion between them.

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Linh Đan 3 years 2021-07-25T14:48:57+00:00 1 Answers 479 views 0

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    2021-07-25T14:50:38+00:00

    Answer:

    force between both the balloons is 9.23\times 10^{-7}N  

    Explanation:

    It is given charge on both balloons are same and equal to q=-6.25\times 10^{-9}C

    Separation between both the balloons r=61.7cm=0.617m

    According to Coulomb’s law force between two charges is given by

    F=\frac{1}{4\pi \epsilon _0}\frac{q^2}{r^2}=\frac{Kq^2}{r^2}

    Therefore force is equal to

    F=\frac{9\times 10^9\times (-6.25\times 10^{-9})^2}{0.617^2}

    F=9.23\times 10^{-7}N

    So force between both the balloons is 9.23\times 10^{-7}N

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