Jawabanmu

2014-08-31T10:57:16+07:00
V (2) = 2² + 2.2 + 3 = 4 + 4 + 3= 11
V (5) = 5² + 2.5 + 3 = 25 + 10 + 3 = 38

percepatan rata-rata = (V5 - V2) : (t5 - t2)
percepatan rata-rata = (38 - 11) : (5-2)
percepatan rata-rata = 27 : 3
percepatan rata-rata = 9m/s²

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