Question

A ship, proceeding southward on a straight course at the rate of 12 miles/hr is, at noon,
40 miles due north of a second ship, which is sailing west at 15 miles/hr.
a) How fast are the ships approaching each other 1 hour later?
b) Are the ships approaching each other or are they receding from each other at 2o’clock and at what rate?

I see 4 questions posted in quick succession. You have given no indication of any start to these on your part, nor have you told us where your problems are.
This looks like an assignment or homework.
Surely you realize that if just do these questions for you, you will not learn anything.

How did you start these ?

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