Hot water at temperature of t is added to twice that amount of water at a temperature of 30°C. If the resulting temperature of the mixture is 50°C, calculate t
Heat loss by hot water = Heat gained by water
mc(t - 50) = 2mc(50 - 30)
t - 50 = 2(20)
t - 50 = 40
t = 40 + 50
\(\therefore\) t = 90°C
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