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Verified answer
FisikaTermodinamika - proses isobarik
Diketahui :
v₁ = 20 L
p = 4 atm
v₂ = 2 v₁
Ditanya :
Usaha luar?
Jawab :
w = p(v₂ - v₁)
w = 4 atm . (2 v₁ - v₁)
w = 4 atm . (2 . 20 L - 20 L)
w = 4 atm . (40 L - 20 L)
w = 4 atm . 20 L
w = 80 Joule