This exercise uses Newton's Law of Cooling.

A kettle full of water is brought to a boil in a room with temperature 20°C. After 15 minutes the temperature of the water has decreased from 100° to 75°C. Find the temperature after another 7 min. (Round your answer to one decimal place.)

°C

Question

This exercise uses Newton's Law of Cooling. 

A kettle full of water is brought to a boil in a room with temperature 20°C. After 15 minutes the temperature of the water has decreased from 100° to 75°C. Find the temperature after another 7 min. (Round your answer to one decimal place.) 
 
 °C

518nad · Answer

hello, newtons law of cooling states that the rate at which the temperature changes is proportional to the temperature difference

518nad · Answer

dT/dt = k(T-20), 
solve for T(t) and 
find the constant k by applying your one given states

518nad · Answer

are you there cailin?