Ke dalam bak mandi dicampurkan 150 kg air panas bersuhu 90 derajat celcius dan air dingin bersuhu 0 derajat celcius sehingga air hangat bersuhu 40 derajat celcius. Hitung massa air dingin yang dicampurkan!!
MuhammadFadhilah
M1 C Δt = m2 C Δt 150 x 50 = m2 40 m2 = 150 x 50 / 40 = 187,5 gram
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Aderachma0313
DIk= m₁=150 kg t₁=90° t₂=0° ta=40° dit=m₂ jwb= Q₁=Q₂ m₁.c.ΔT=m₂.c.ΔT m₁.ΔT=m₂.ΔT 150.(t₁-ta)=m₂.(ta-t₂) 150(90-40)=m₂(40-0) 150.50=m₂.40 7500=40 m₂ m₂=187,5 kg
150 x 50 = m2 40
m2 = 150 x 50 / 40
= 187,5 gram
m₁=150 kg
t₁=90°
t₂=0°
ta=40°
dit=m₂
jwb=
Q₁=Q₂
m₁.c.ΔT=m₂.c.ΔT
m₁.ΔT=m₂.ΔT
150.(t₁-ta)=m₂.(ta-t₂)
150(90-40)=m₂(40-0)
150.50=m₂.40
7500=40 m₂
m₂=187,5 kg