Jawaban:
2. Rp = resultan momentum
Rp = √ p₁² + p₂² + 2.p₁.p₂ cos α
= √ 5² + 5² + 2.5.5. cos 60 --> cos 60 = ¹/₂
= √ 25+ 25 + 25
= 5√3 kg m/s
3. Rp² = p₁² + p₂² + 2.p₁.p₂ cos α
5² = 6² + 6² + 2.6.6. cos α
25 = 36+36 + 72 cos α
72 cos α = 25-72
= - 47
cos α = -47 / 72 --> KW IV
≈ -0,653
α ≈ 311°
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Jawaban:
2. Rp = resultan momentum
Rp = √ p₁² + p₂² + 2.p₁.p₂ cos α
= √ 5² + 5² + 2.5.5. cos 60 --> cos 60 = ¹/₂
= √ 25+ 25 + 25
= 5√3 kg m/s
3. Rp² = p₁² + p₂² + 2.p₁.p₂ cos α
5² = 6² + 6² + 2.6.6. cos α
25 = 36+36 + 72 cos α
72 cos α = 25-72
= - 47
cos α = -47 / 72 --> KW IV
≈ -0,653
α ≈ 311°