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Verified answer
Diketahuim = 1 ton = 1000 kg
Vo = 12 m/s
Vt = 0 m/s
s = 12 m
ditanya
F = ....?
jawab
Vt² = Vo² - 2as
0² = 12² - 2(a)12
0 = 144 - 24a
24a = 144
a = 144/24
a = 6 m/s²
F = am
F = 6 m/s² • 1000 kg
F = 6000 N
m = 1 ton = 1000 kg
Vo = 12 m/s
Vt = 0 ... berhenti
S = 12 m
F = __?
F S = ½ m (Vt² - Vo²)
F • 12 = ½ • 1000 • (0 - 12²)
12 F = - 500 • 12²
F = - 500 • 12
F = - 6000 N ✅
Gaya rata-rata yang menghentikan mobil seBESAR 6000 N dengan arah berlawanan ARAH gerak semula.