Question

Asked Oct 27, 2019

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At 8 P.M. an oil tanker traveling west in the ocean at 16 kilometers per hour passes the same spot as a luxury liner that arrived at the same spot at 7 P.M. while traveling north at 18 kilometers per hour. If the "spot" is represented by the origin, find the location of the oil tanker and the location of the luxury liner t hours after 7 P.M. Then find the distance D between the oil tanker and the luxury liner at that time.

D(t) =

At what time were the ships closest together? (Hint: Minimize the distance (or the square of the distance!) between them.)

The time is___ : P.M. (Round**down** to the nearest minute.)

D(t) =

At what time were the ships closest together? (Hint: Minimize the distance (or the square of the distance!) between them.)

The time is___ : P.M. (Round

Step 1

Oil tanker is at the origin at 8 pm travelling west at 16 kmh. So if we assume x axis to be pointed west to east. The oil tanker was 16 km from the origin on the x-axis at 7 pm

Step 2

At t hours after 7pm the coordinates of the oil tanker are:

Step 3

Let y axis be from south to north.

So coordinates o...

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