A calculator is required to obtain the final answer on this question. A solid metal sphere at room temperature 20°C is dropped into a container of boiling water (100°C). If the temperature of the sphere increases 10° in 9 seconds, find the temperature of the ball after 18 seconds in the boiling water. (Assume the sphere obeys Newton's Law of Cooling.) a) O 99.134° b) 38.750° c) O 39.050° d) 99.234° e) O 38.450 f) O None of the above.
A calculator is required to obtain the final answer on this question. A solid metal sphere at room temperature 20°C is dropped into a container of boiling water (100°C). If the temperature of the sphere increases 10° in 9 seconds, find the temperature of the ball after 18 seconds in the boiling water. (Assume the sphere obeys Newton's Law of Cooling.) a) O 99.134° b) 38.750° c) O 39.050° d) 99.234° e) O 38.450 f) O None of the above.
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:A calculator is required to obtain the final answer on this question. A solid metal sphere at room temperature 20°C is dropped into a
container of boiling water (100°C). If the temperature of the sphere increases 10° in 9 seconds, find the temperature of the ball after 18
seconds in the boiling water. (Assume the sphere obeys Newton's Law of Cooling.)
a) O 99.134
b) O 38.750°
c) O 39.050°
d)
99.234
e) O 38.450°
f) O None of the above.
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