Author Question: Car A (travelling north at 30 mph) and car B (traveling west at 40 mph) are ... (Read 130 times)

wrbasek0 · **on:** Feb 28, 2021

Solve the problem.

Car A (travelling north at 30 mph) and car B (traveling west at 40 mph) are heading toward the same intersection. Car A is 3 miles from the intersection when car B is 5 miles from the intersection. . Find a formula for the distance between the cars as a function of time, using the parametric equations that describe the motion of cars A and B. Using a graphing utility, find the minimum distance between the cars. When are the cars closest?

◦ d =

; 342.2 mi; 6.96 min
◦ d =

; 0.6 mi; 0.12 min
◦ d =

; 0.6 mi; 6.96 h
◦ d =

; 0.6 mi; 6.96 min

Bison · **Reply #1 on:** Feb 28, 2021

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