Question

Determine the final temperature if we mix one kg of water which is at 40°C with one kg of water
which is at 60°C.

Answer 1

we know that. final temperature (f)=

(m1t1+m2t2)/(m1+ m2)

here m1= 1kg
m2= 1kg
t1=40
t2= 60

so f= (40+60)/2
= 50 °C

Answer 2

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