A mercury thermometer is initially located in a 75°F room. It is suddenly immersed in a 400°F oil bath and the following data is obtained. 1 (s) 1 2.5 5 8. 10 15 30 T(*F) 75 107 140 205 244 282 328 385 Find two independent estimates of the thermometer's time constant. What can you say about the time constant in general. Please explain.

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