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Vo = 30 m/s
a = - 1 m/s² (perlambatan)
S = 250 m
Vt = __?
kecepatan
Vt² = Vo² + 2 a S
Vt² = 30² + 2 • (-1) • 250
Vt² = 900 - 500
Vt² = 400
Vt = 20 m/s ← jwb
Vo=30m/s
a=-1m/s
s=250m
vt=?
jawab:
vt²= Vo² + 2as
vt²= 30² + 2×(-1)×250
vt²= 900 + (-500)
vt²=400
vt= √400
vt= 20m/s