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Mathematics 7 Online
OpenStudy (anonymous):

The formula below, Newton's law of cooling, allows us to calculate the temperature of an object as it cools T = R + (T0 − R)e-kt T = temperature of the object after t minutes T0 = initial temperature R = temperature of the surroundings k = cooling rate (depends on the object and conditions) Suppose the temperature in Denver, Colorado was 55°F when a 5°F arctic cold front moved over the state Using k = 0.012 how long would it take a puddle of water to freeze? (Recall that water freezes at 32°F.) just over 51 min just over 55 minutes just over 55 min just over 65 min

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