06:51 duration 6 minutes 51 seconds
Section 3.4 Prob 58: Sensitivity of the eye to…
Section 3.4 Prob 58: Sensitivity of the eye to brightness
Using the quotient rule to study how pupil area responds to changes in light intensity.
06:41 duration 6 minutes 41 seconds
Section 3.5 Prob 88: Adiabatic Gas Expansion
Related rates problem -- finding rate of change of volume for a gas expanding (adiabatically) given volume, pressure, and of change of pressure.
04:16 duration 4 minutes 16 seconds
Section 3.5 Prob 90: von Bertalanffy revisited
Calculating rate of change of mass of a fish using a model for how length varies with age.