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pers percepatan (a) = 3i + 4tj
vo = 2i + 3j
Dit: Pers kecepatan (vt)
Jawab:
vt = vo +
vt = (2i + 3j) +
vt = (2i + 3j) + (3ti + 2t²j)
vt = (2i + 3ti) + (3j + 2t²j)
vt = (2 + 3t)i + (3 + 2t²)j