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Verified answer
24][ D
P dan Q bersusulan, saat
t = 2 × 4 = 8 s
Sp = 20 × 8 = 160 m ← jwb
25][ E
Fx...........Fy
40√3.....0
30√3.....90
-20√3...20
0............-60
—————— +
50√3.....50
R = √( (50√3)² + 50² )
R = 100 N ← jwb