
College Physics
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6 help please watch out for units/sig figs. Thank you.

Transcribed Image Text:If I mix 3 kg of water at 80 C with 1 kg of copper at 20 C, find the final temperature.
c of copper = 386 J/kg K. c of water = 4186 J/kg K.
A) 25.4 C
B) 52.9 C
C) 78.2 C
D) 68.7 C
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