A metal sphere’s temperature (in °C) depends on its radius (in centimeters)

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

Problem

A metal sphere’s temperature

T

(in °C) depends on its radius

r

(in centimeters). At a particular instant the radius is decreasing with time. State the correct units for (a)

\dfrac{dT}{dr}

and (b)

\dfrac{dT}{dt}

at that instant.