Վ․ Ի․ Լուկաշիկ, խնդիր 876, էջ 117
876․
m=20կգ
t1=-10C
t=0C
Q1=cm(t-t1)
C1=2100 Ջ/կգC
876․
m=20կգ
t1=-10C
t=0C
Q1=cm(t-t1)
C1=2100 Ջ/կգC
λ=34*10 Ջ/կգ
Q2=λm
C2=4200Ջ/կգC
t2=100C
Q1=cm(t-t1)
Q2=λm
Q3=C2m(t2-t)
Q=Q1+Q2+Q3
Many developing countries place a significant emphasis on tourism as an important sector for economic growth and development. Tourism can br...
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