October 2018 1 978 Report
Suatu partikel bergerak sepanjang garis lurus menurut persamaan x = ( 8t^2 - 4t ) meter . Hitunglah :
a.Posisi partikel saat t = 2s
b.Kecepatan rata - rata dalam selang waktu 1 sekon dan 2 sekon
c.Kecepatan awal partikel
d.Percepatan saat t = 2s
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