Northbound ship A leaves the harbour at 10:00 with a speed of 12km/h. Westbound ship B leaves the same harbour at 10:30 with a speed of 16km/h.
(a) How fast are the ships separating at 11:30?
(b) When is their rate of separation 18.86 km/h
(a) At 11:30, ship A is 12*1.5=18 km northbound of the harbour
ship B is 16*1=16 km westbound of the harbour,
(b)The relative speed of ...
This is a problem regarding related rates of ships.