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Verified answer
Dik:v₀=20 m/svt=30 m/s
s=200 m
t=5 s
m=100 kg
Dit:W
Jwb:Cari percepatan
Vt=V₀+at
30=20+5a
10=5a
a=2 m/s²
Cari F
F= m . a
=100 . 2=200 N
Cari W
W=F . s
=200 . 200=40000 Joule
=4 . 10⁴ J