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m = 10 g = 0,01 kg
F = 20 N
Vo = 5 m/s
t = 4 s
Ditanyakn : Vt ?
Dijawab :
Percepatan :
a = F/m
= 20/0,01
= 2000 m/s²
Jadi :
a = (Vt-Vo)/t
2000 = (Vt-5)/4
2000x4 = Vt - 5
8.000 = Vt - 5
Vt = 8.000-5
Vt = 7995
asumsi kamu slh soal, hrsnya m = 10 kg
a = F/m
= 20/10
= 2 m/s²
Jadi :
a = (Vt-Vo)/t
2 = (Vt-5)/4
2 x 4 = Vt - 5
8 = Vt - 5
Vt = 8 + 5
Vt = 13 m/s