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Three ships A, B and C are sailing at constant speeds on steady courses. B is sailing due east at 12 km/hr and C is sailing in a direction N 30°E at 8 km/hr. To an observer on C the direction of A appears to be S30°E and to an observer on B, A appears to be sailing due south. Find the speed of A.
asked Aug 4, 2017 in Mechanics by adityads (120 points)

1 Answer

0 votes
Just use concept of relative velocity and vectors to solve this problem. Easy enough.
answered Sep 13, 2017 by giginailo (2,580 points)