A thermometer reading 70° F is placed in an oven preheated to a constant temperature. Through a glass window in the oven door, an observer records that the thermometer reads 110° F after 1/2 minute and 145° F after 1 minute. How hot is the oven? 236 deg C 632 deg C O263 deg C 326 deg C

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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A thermometer reading 70° F is placed in an oven preheated to a constant
temperature. Through a glass window in the oven door, an observer records that the
thermometer reads 110° F after 1/2 minute and 145° F after 1 minute. How hot is
the oven?
O236 deg C
O 632 deg C
O263 deg C
326 deg C
Transcribed Image Text:A thermometer reading 70° F is placed in an oven preheated to a constant temperature. Through a glass window in the oven door, an observer records that the thermometer reads 110° F after 1/2 minute and 145° F after 1 minute. How hot is the oven? O236 deg C O 632 deg C O263 deg C 326 deg C
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