Q3. A potato with a temperature of 18° is put in a 250° oven and heats up according to the differential equation HP = k(H – 250) dt where H(t) represents the potato's temperature t minutes after being placed in the oven. After 10 minutes the temperature of the potato is 125°C. What is the value of k, rounded to 3 decimal places? A. kz -0.076 B. k - -0.062 C. k z -0.028 D. k z –0.057 E. k2 -0.034 F. k 2 -0.046 G. k z –0.040 H. kz -0.037
Q3. A potato with a temperature of 18° is put in a 250° oven and heats up according to the differential equation HP = k(H – 250) dt where H(t) represents the potato's temperature t minutes after being placed in the oven. After 10 minutes the temperature of the potato is 125°C. What is the value of k, rounded to 3 decimal places? A. kz -0.076 B. k - -0.062 C. k z -0.028 D. k z –0.057 E. k2 -0.034 F. k 2 -0.046 G. k z –0.040 H. kz -0.037
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Q3. A potato with a temperature of 18° is put in a 250° oven and heats up according to the differential
equation
HP
= k(H – 250)
dt
where H(t) represents the potato's temperature t minutes after being placed in the oven. After
10 minutes the temperature of the potato is 125°C. What is the value of k, rounded to 3 decimal
places?
A. k z -0.076
B. k 2 -0.062
C. k 2 -0.028
D. k 2 -0.057
E. k 2 -0.034
F. k 2 -0.046
G. k 2 -0.040
H. k 2 -0.037
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