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Verified answer
H max = Ф20 m =
20 m =
• Kinematika
→ gerak peluru
Yₘₐₖₛ = 20 m
V₀ = ___?
α = 30° → sin α = ½
g = 10 m/s²
Yₘₐₖₛ = V₀² sin²α / 2g
20 = V₀² • (½)² / (2 • 10)
¼ V₀² = 400
V₀² = 4 • 400
V₀ = 40 m/s ✔️
kecepatan awal 40 m/s.