Sebuah partikel bergerak dengan persamaan v t 8t 4 4t 3 2 tentukan besar percepatan saat t 2 s

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a = dv / dt

a = d(8t^4 + 4t^3 + 2) / dt

a = 32t^3 + 12t^2   ||   t = 2 s

a = 32(2)^3 + 12(2)^2

a = 256 + 48

a = 304 m/s²

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