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Vo = 40 m/s
s = 80 m
Vt = 0
Dit perlambatan
Vt² = Vo² - 2as
0 = 40² - 2a80
1600 = 160a
a = 10 m/s^2
perlambatan 10 m/s^2
vo = 40m/s
vt = 0 ( pesawat berhenti)
s = 80 m
Dit: a....?
vt² = vo² + 2 as
0² = 40² + 2 x a x 80
0 = 1600 + 160a
-160a = 1600
a = -1600/160
a = -10 m/s²
tanda - artinya perlambatan. besar perlambatan = 10 m/s²