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Vt^2 = Vo^ + 2aS
Gerak dibagi 2 bagain
Bagian pertama
V1 = 20 m/s
V2 =10 m/s
S1 = 150 m
a = (V2^2 - V1^2) / 2S
= (10^2 - 20^2) / (2 (150))
= (100 - 400) / 300
= -300 / (-300) = -1 m/s^2
Bagian kedua
V2 = 10 m/s
V3 = 0 m/s
a = -1 m/s^2
S2 = ___ ?
S2 = (V3^2 - V2^2) / 2a
= (0 - 10^2) / (2 (-1))
= (0 - 100) / (-2)
= -100 / (-2) = 50 m ←
Mobil masih bergerak 50 m lagi sebelum akhirnya berhenti.
Ok ?