After heating up in a teapot, a cup of hot water is poured at a temperature of 209°F sits to cool in a room at a temperature of 68°F. Newton's Law of Cooling The cup explains that the temperature of the cup of water will decrease proportionally to the difference between the temperature of the water and the temperature of the room, as given by the formula below: ーkt T = Ta+ (To- Ta)e %3D Т. the temperature surrounding the object To =the initial temperature of the object t = the time in minutes T = the temperature of the object after t minutes decay constant %3D k = The cup of water reaches the temperature of 185 F after 1.5 minutes. Using this information, find the value of k, to the nearest thousandth. Use the resulting equation to determine the Fahrenheit temperature of the cup of water, to the nearest degree, after 4 minutes.

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After heating up in a teapot, a cup of hot water is poured at a temperature of 209°F.
The cup sits to cool in a room at a temperature of 68°F. Newton's Law of Cooling
explains that the temperature of the cup of water will decrease proportionally to the
difference between the temperature of the water and the temperature of the room, as
given by the formula below:
-kt
T = Ta + (To - Ta)e
Ta
= the temperature surrounding the object
To =the initial temperature of the object
t = the time in minutes
T = the temperature of the object after t minutes
k = decay constant
The cup of water reaches the temperature of 185 F after 1.5 minutes. Using this
information, find the value of k, to the nearest thousandth. Use the resulting
equation to determine the Fahrenheit temperature of the cup of water, to the
nearest degree, after 4 minutes.
NG
Transcribed Image Text:DeltaMath O Log Word Problems deltama th.com/app/student/solve/14096468/newtonsLawOfCoolingHeating * G Image result for pic. G Image result for pic. Watch help video After heating up in a teapot, a cup of hot water is poured at a temperature of 209°F. The cup sits to cool in a room at a temperature of 68°F. Newton's Law of Cooling explains that the temperature of the cup of water will decrease proportionally to the difference between the temperature of the water and the temperature of the room, as given by the formula below: -kt T = Ta + (To - Ta)e Ta = the temperature surrounding the object To =the initial temperature of the object t = the time in minutes T = the temperature of the object after t minutes k = decay constant The cup of water reaches the temperature of 185 F after 1.5 minutes. Using this information, find the value of k, to the nearest thousandth. Use the resulting equation to determine the Fahrenheit temperature of the cup of water, to the nearest degree, after 4 minutes. NG
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