October 2018 1 100 Report
Seekor semut bergerak dengan persamaan posisi r = ( 4 t2 + 2 ) i + 3 t2 j, r dalam meter, dan t dalam sekon. Besar perpindahan setelah partikel bergerak 2 sekon pertama adalah...
Keterangan:
t2 maksudnya t kuadrat.
Tolong dijawab.
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