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= Vo + integral dari percepatan
= 5i m/s + integral ((2 + 3t)i + (8 + 2t)j ) m/s²
= 5i m/s + ( (2t + 3/2 t²) i + (8t + t²)j ) m/s
= ( (5 + 2t + 3/2t²)i + (8t + t²) )m /s
= masukkan nilai t = 2
= ( (5 + 2.2 + 3/2 . 2² )i + (8.2 + 2²)j ) m/s
= ( 15i + 20j) m/s
besar kecepatan sesaat ( |v| )
= { √(15² + 20²) } m/s
= {√625 } m/s
= 25 m/s