The temperature (in ) of a cooling liquid is a differentiable function of time (in…

MATHEMATICS · Subjective · CBSE · Mathematics · Applications of Derivatives · Applications of Derivatives

Problem

The temperature

T

(in

^{\circ}\text{C}

) of a cooling liquid is a differentiable function of time

t

(in minutes). A measurement shows

T'(5)=-0.4\,^{\circ}\text{C}/\text{min}

. Describe the practical meaning of this value.