Kareem heats a beaker of water to boil. Then he records that the water temperature decreases from 100 c to 19 c in 5 2/5 minutes. What was the average change in temperature each minute ?

Respuesta :

Answer:

[tex]\frac{\Delta T}{\Delta t} = -15\,\frac{^{\textdegree}C}{min}[/tex]

Step-by-step explanation:

The average change in temperature is:

[tex]\frac{\Delta T}{\Delta t} = \frac{19\,^{\textdegree}C-100\,^{\textdegree}C}{\frac{27}{5}\,min }[/tex]

[tex]\frac{\Delta T}{\Delta t} = -15\,\frac{^{\textdegree}C}{min}[/tex]