Question

Asked Oct 18, 2019

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At noon, ship A was 14 nautical miles due north of ship B. Ship A was sailing south at 14 knots (nautical miles per hour; a nautical mile is 2000 yards) and continued to do so all day. Ship B was sailing east at 7 knots and continued to do so all day. The visibility was 5 nautical miles. Did the ships ever sight each other?

Step 1

Let the two ships meet each other after time *t*. The diagrammatic representation of the given problem is shown below.

Step 2

The distance between them is evaluated as follows.

Step 3

...

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