A cold drink initially at 35°F warms up to 42°F in 3 min while sitting in a room of temperature 68°F. How warm will the drink be if left out for 15 min? If the drink is left out for 15 min, it will be about°F. (Round to the nearest tenth as needed.)

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A cold drink initially at 35°F warms up to 42°F in 3 min while sitting in a room of temperature 68°F. How warm will the drink be if left out for 15 min?
If the drink is left out for 15 min, it will be about°F.
(Round to the nearest tenth as needed.)
Transcribed Image Text:A cold drink initially at 35°F warms up to 42°F in 3 min while sitting in a room of temperature 68°F. How warm will the drink be if left out for 15 min? If the drink is left out for 15 min, it will be about°F. (Round to the nearest tenth as needed.)
On a mild Saturday morning while people are working inside, the furnace keeps the temperature inside the building at 20°C. At noon the furnace is
turned off, and the people go home. The temperature outside is a constant 11°C for the rest of the afternoon. If the time constant for the building is 3 hr,
when will the temperature inside the building reach 14°C? If some windows are left open and the time constant drops to 2 hr, when will the temperature
inside reach 14°C?
If the time constant for the building is 3 hr, the temperature inside the building will reach 14°C about
(Round to the nearest tenth as needed.)
hr after noon.
If the time constant for the building drops to 2 hr, the temperature inside the building will reach 14°C about
(Round to the nearest tenth as needed.)
hr after noon.
Transcribed Image Text:On a mild Saturday morning while people are working inside, the furnace keeps the temperature inside the building at 20°C. At noon the furnace is turned off, and the people go home. The temperature outside is a constant 11°C for the rest of the afternoon. If the time constant for the building is 3 hr, when will the temperature inside the building reach 14°C? If some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 14°C? If the time constant for the building is 3 hr, the temperature inside the building will reach 14°C about (Round to the nearest tenth as needed.) hr after noon. If the time constant for the building drops to 2 hr, the temperature inside the building will reach 14°C about (Round to the nearest tenth as needed.) hr after noon.
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