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sekalian jalannya please....
sekalian jalannya please....

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  • 14. a = Ftot/m = (20-10-15)/5 = -5/5 =
    -1 m/s" = 1 m/s"
    15. W = Ftot.s = (50+70).4 = 120.4 = 480 j

    folow kaka ya...

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