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:

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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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:

T
t
Transcribed Image Text:T t
t (minutos)
T ( °C )
1
3
4
Transcribed Image Text:t (minutos) T ( °C ) 1 3 4
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