Question

¿Cuál es el valor de la razón de cambio cuando tenemos un vaso con agua a temperatura ambiente al congelador por 15 minutos?

Answer 1

Answer:
`2 \°C/min`

Explanation:

The rate of change is a measure in which one variable is modified in relation to another. In this case we have the variables:

Temperature in
`\°C`

Time in
`min`

Now, to calculate the rate of change, we have to divide one variable by the other. In this case the change in temperature
`\Delta T` divided by the time variation
`\Delta t`.

Hence, assuming the ambient temperature of the glass is
`30 \°C` and the elapsed time
`15 min` we have:

`(\Delta T)/(\Delta t)=(30 \°C)/(15 min)=2 (\°C)/(min)`