October 2018 1 81 Report
Sebuah partikel bergerak dengan persamaan r = 3t³+ 4t² + t + 2. Apabila r dalam meter dan t dalam sekon, tentukan:
a. jarak pada saat t = 2s dan t = 4s;
b. kecepatan rata-rata dari t = 2s sampai t = 4s.
Tolong jawab dengan benar. terimaksh
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