A Car leaves Oak Corner at 11:33 a.m traveling south at 70km/h. at the same time, another car is 65 km west of Oak Corner traveling east at 90km/h.
a. Express the distance d between the cars as a function of the time t after the first car left Oak Corner.
b. show that the cars are closest to each other at noon.
Equations are written for distance and time of two moving objects.