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50 = 100 - 10 x t
10t=50
t=5 s
h = Vo x t - 0,5 x g x t²
h = 100 x 5 - 0,5 x 10 x 5²
h = 500 - 125
h = 375 m
- GVA
Vo = 100 m/s ke atas
Vt = 50 m/s ke atas
g = 10 m/s²
h = __ ?
Vt² = Vo² - 2 g h
50² = 100² - 2 (10) h
20h = 100² - 25²
20h = 7500
h = 7500/20 = 375 m di atas tempat pelemparan ← jawaban
Ok ?