A cup of coffee is heated in a microwave oven and reaches a temperature of 80C. The coffee cup is removed from the oven and exposed to the environment which is at a temperature of 20C. For all practical purposes Suppose that in the first 10 minutes the The temperature of the coffee cup decreases evenly at the rate of 3C per minute. C=CELICIUS a) Complete the following table; in it the magnitude t is in minutes and the magnitude T must be expressed in C. and increasing the time from minute to minute in the table above. . . What happens to changes in the temperature of the cup of coffee? b) Obtain the formula that expresses the temperature T in terms of time t. c) Draw the graph that corresponds to the relationship between the variables t and T in the following plane:
A cup of coffee is heated in a microwave oven and reaches a temperature of 80C. The coffee cup is removed from the oven and exposed to the environment which is at a temperature of 20C. For all practical purposes Suppose that in the first 10 minutes the The temperature of the coffee cup decreases evenly at the rate of 3C per minute.
C=CELICIUS
a) Complete the following table; in it the magnitude t is in minutes and the magnitude T must be expressed in C.
and increasing the time from minute to minute in the table above. . . What happens to changes in the temperature of the cup of coffee?
b) Obtain the formula that expresses the temperature T in terms of time t.
c) Draw the graph that corresponds to the relationship between the variables t and T in the following plane:
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