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28 July, 19:25

Find the work done by the force f (x) = 3x+7 in moving a particle from x=1 to x=3

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  1. 28 July, 19:50
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    26

    Step-by-step explanation:

    W = ∫ f (x) dx

    W = ∫₁³ (3x + 7) dx

    W = (1.5x² + 7x) |₁³

    W = (1.5 (3) ² + 7 (3)) - (1.5 (1) ² + 7 (1))

    W = 26
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