Asked by Angel
a BATH CONTAINS 100 KG OF WATER AT 60 DEGREES CELCIUS. HOT AND COLD TAPS ARE THEN TURNED ON TO DELIVER 20KG PER MINUTE EACH A TEMPERATURE 70 DEGREES CELSIUS AND 10 DEGREES CELSIUS RESPECTIVELY. HOW LONG WILL IT BE BEFORE THE TEMPERATURE IN THE BATH HAS DROPPED TO 45 DEGREES CELCIUS. ASSUME COMPLETE MIXING OF WATER AND IGNORE HEAT LOSSES.
Answers
Answered by
LANRE
7.5SECONDS
Answered by
Emmanuella
70-10
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