Related Rates: Rate of Change of Distance Between Objects
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At noon, ship A is 100 km west of ship B. A is sailing south at 35 km/h and B is sailing north at 25 km/h. How fast is the distance between the ships changing at 16:00 h?
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Solution Summary
The rate of change of distance between objects is found.
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After some t, B is at (100, b) and A is at (0, −a). So the distance between them is ...
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