ΔV=40 см^3
T2=1,4*T1
V1-?
V1/T1=V1+ΔV/T2
T2/T1=1+ΔV/V1
ΔV/V1=T2-T1/T1
V1=ΔVT1/T2-T1
V1=40/0,4=100 (см^3)
ΔT/T=3K
ΔV/V=1%=0,001
T-?
V/T=V+ΔV/T+ΔT
VT+ΔVT=VT+VΔT
ΔVT=VΔT
T=VΔT/ΔV
T=3/0,001=300 (K)
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Answers & Comments
ΔV=40 см^3
T2=1,4*T1
V1-?
V1/T1=V1+ΔV/T2
T2/T1=1+ΔV/V1
ΔV/V1=T2-T1/T1
V1=ΔVT1/T2-T1
V1=40/0,4=100 (см^3)
ΔT/T=3K
ΔV/V=1%=0,001
T-?
V/T=V+ΔV/T+ΔT
VT+ΔVT=VT+VΔT
ΔVT=VΔT
T=VΔT/ΔV
T=3/0,001=300 (K)