200g of water at 90oC is mixed with 100g of wat... - JAMB Physics 1993 Question
200g of water at 90oC is mixed with 100g of water at 30oC. What is the final temperature?
A
50oC
B
60oC
C
70oC
D
80oC
correct option: c
Heat lost = heat gained
200 x c x (90 - (\theta))
(\theta)= 70oC
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