V = Vo + a.t
20 = 0 + a.4
4.a = 20
a = 20/4 = 5 m/s²
Jarak yg ditempuh
x = 1/2.a.t²
x = 1/2. 5. 16
x = 40 m
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V = Vo + a.t
20 = 0 + a.4
4.a = 20
a = 20/4 = 5 m/s²
Jarak yg ditempuh
x = 1/2.a.t²
x = 1/2. 5. 16
x = 40 m
vo = 0 m/s (mula diam)
vt = 20 m/s
t = 4 s
ditanya:
s?
jawab:
s = 1/2 t (vo + vt)
s = 1/2 . 4 . (0 + 20)
s = 2 . 20
s = 40 meter
jadi jarak yang ditempuh adalah 40 meter
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