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deepunalli300p3ur3i
10.12.2020 •
Physics
This graph represents the cooling curve for a pure substance
in a liquid state at 1 = 0 min.
Cooling Curve
60
50
40
Temperature (°C)
30
20
10
0
1 2 3 4. 5 6
Time (min)
Why does temperature remain constant from when 1 = 2 min
to when I = 5 min?
Solved
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Ответ:
Explanation:
the speed=30-20=10m/s
velocity=30-(-20)=50m/s