Mathematics, 08.09.2019 04:20 esigaran24

a cup of hot coffee is initially at 70 ° c and is left in a room that has a temperature
20 ° c environment. assume that from time t = 0 it cools at a rate of 10 °c per minute.
how long does it take for hot coffee to cool to a temperature of 25 ° c?
using t(t) ta (ta to)e kt where ta initial temperature and t(t) is the temperature in the time t environment temperature, to

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a cup of hot coffee is initially at 70 ° c and is left in a room that has a temperature
20 ° c...