Dua buah vektor masing masing A = 6i - 5j satuan B = 24i + 40j Tentukan besar dan arah vektor resultan R = A+B

A = [6i - 5j] sat
B = [24i + 40j] sat
————————— +
R = [30 i + 35 j] sat

BESAR R
|R| = √(30² + 35²)
|R| = √2125 = 5√85 sat ✓

ARAH R
tan α = 35/30
α ≈ 49° ✓