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Verified answer
Gerak ParabolaKelas X
[Mungkin yang ditanyakan waktu tempuh benda , mengingat satuannya s]
V₀ₓ = 100 m/s
h = 8 km = 8000 m
t = _ ?
Kita pakai pesawat sebagai titik acuan (dimana )
-h = - ½ gt²
-8000 = -½ (10) t²
1600 = t²
t = 40 s [A]