Question

the temperature at the beginning of an experiment 20 °C it decreased by 2.4° C per minute.what will be the temperature at the end if it took 15 minutes to complete​

Answer 1

Answer:

the temperature at the end will be -16° C

Step-by-step explanation:

In 1 min the temp. decreases by 2.4° C

So in 15 mins it will decrease by 15* 2.4° C = 36° C.

Final Temp. = 20° C - 36° C

                    = - 16° C

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