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Question: a hot metal bar is submerged in a large reservoir...

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At least one of the answers above is NOT correct. (1 point) A hot metal bar is submerged in a large reservoir of water whose temperature is 65 F. The temperature of the bar 20s after submersion is 95 F. After 1 min submerged, the temperature has cooled to 75 F. (a) Determine the cooling constant k. k In(30/40 (b) What is the differential equation satisfied by the temperature Ft) of the bar? F(t) -(In (30/40)(F-65) EEE Use F for F(t). (c) What is the formula for F(t)? F(t) en(((-In (30/40) +3.9505033 EEE (d) Determine the temperature of the bar at the moment it is submerged. Initial temperature en (3.95)+65 Note: You can earn partial credit on this problem. Preview My Answers Submit Answers

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