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waktu (t)
jarak (s)
s = v .t
diketahui :
v₀ = 15
vt = 25
t = 2
s=.???
jawab :
cari percepatannya dulu
vt = v₀ + (α . t)
25 = 15 + (α . 2)
25 = 15 + 2α
25-15 =2α
10 =2α
α = 5
masukkan
s = v₀ . t + + 1/2 .α .t²
s = 15 . 2 + 1/2 . 5 . 2²
s = 30 + 10
s = 40
jadi jaraknya adalah 40