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Verified answer
KINEMATIKA• GP
Vo = 15 m/s
α = 37°
t = 0,4 s
komponen mendatar
Vtx = Vo cos α
Vtx = 15 • 0,8
Vtx = 12 m/s
komponen tegak
Vty = Vo sin α t - ½ g t²
Vty = 15 • 0,6 • 0,4 - ½ • 10 • 0,4²
Vty = 2,8 m/s
kecepatan sesaat
Vt = √(Vtx² + Vty²)
Vt = √(12² + 2,8²)
Vt = 12,3 m/s ← jwb