Jawaban:
Penjelasan dengan langkah-langkah:
|⃗⃗ᵃ + ⃗ᵇ| = √|⃗a|²+|⃗b|²+2|⃗a||⃗b|Cosθ
= √|5|²+|7|²+2|5||7|Cos60⁰
= √(25)+(49)+2.5.7.1/2
= √(74)+(35)
= √(109)
Demikian
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Verified answer
Jawaban:
[Vektor]
Penjumlahan Vektor
Penjelasan dengan langkah-langkah:
|⃗⃗ᵃ + ⃗ᵇ| = √|⃗a|²+|⃗b|²+2|⃗a||⃗b|Cosθ
= √|5|²+|7|²+2|5||7|Cos60⁰
= √(25)+(49)+2.5.7.1/2
= √(74)+(35)
= √(109)
Demikian
Semoga membantu dan bermanfaat!