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8 May, 21:53

Naoki's bicycle has a mass of 10 kg. If Naoki sits on her bicycle and starts pedaling with a force of 168 N, causing an acceleration of 2.8 m/s2, what is Naoki's mass?

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  1. 9 May, 01:26
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    50 kg

    Explanation:

    dа ta:

    Mass of bicycle = 10 kg

    F = 168 N

    a = 2.8 m/s²

    Calculation:

    F = ma Divide each side by m, Then

    m = F/a

    = 168/2.8

    = 60 kg

    m = mass of bicycle + Naoki's mass. Then

    60 = 10 + Naoki's mass Subtract 10 from each side

    Naoki's mass = 50 kg
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