A brass rod 14.0 cm long, a copper rod 19.0 cm long, and an aluminum rod 25.0 cm cm long-each with cross-sectional area 2.30 cm² - are welded together end to end to form a rod 58.0 cm long, with copper as the middle section. The free end of the brass section is maintained at 100.0°C and the free end of the aluminum section is maintained at 0.0°C. Assume that there is no heat loss from the curved surfaces and that the steady-state heat current has been established. ▾ Part A What is the temperature T₁ at the junction of the brass and copper sections? T₁= Ti Submit ▾ Part B T₂ = [ΨΕΙ ΑΣΦ Submit 4 Request Answer What is the temperature T₂ at the junction of the the copper and aluminum sections? 195| ΑΣΦ 4 → C PWC ? Request Answer °C ? °C

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A brass rod 14.0 cm long, a copper rod 19.0 cm long, and an
aluminum rod 25.0 cm cm long - each with cross-sectional area
2.30 cm².
- are welded together end to end to form a rod 58.0 cm
long, with copper as the middle section. The free end of the brass
section is maintained at 100.0°C and the free end of the aluminum
section is maintained at 0.0°C. Assume that there is no heat loss
from the curved surfaces and that the steady-state heat current has
been established.
Part A
What is the temperature T₁ at the junction of the brass and copper sections?
T₁ =
Submit
Part B
T₂ =
Submit
What is the temperature T₂ at the junction of the the copper and aluminum sections?
Part C
VG ΑΣΦ
Request Answer
H =
Π ΑΣΦ
Request Answer
What is the heat current in the aluminum section?
ΓΠ ΑΣΦ
?
≈
?
?
W
Review | Constants
Transcribed Image Text:A brass rod 14.0 cm long, a copper rod 19.0 cm long, and an aluminum rod 25.0 cm cm long - each with cross-sectional area 2.30 cm². - are welded together end to end to form a rod 58.0 cm long, with copper as the middle section. The free end of the brass section is maintained at 100.0°C and the free end of the aluminum section is maintained at 0.0°C. Assume that there is no heat loss from the curved surfaces and that the steady-state heat current has been established. Part A What is the temperature T₁ at the junction of the brass and copper sections? T₁ = Submit Part B T₂ = Submit What is the temperature T₂ at the junction of the the copper and aluminum sections? Part C VG ΑΣΦ Request Answer H = Π ΑΣΦ Request Answer What is the heat current in the aluminum section? ΓΠ ΑΣΦ ? ≈ ? ? W Review | Constants
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