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At the beginning of a race, a yacht crosses the start line and sails in
westerly direction at a speed of 4 m s-1. The current of the sea is flowing at
2 m s-1 towards the north-east. Calculate how far [8 marks] and in what
direction (relative to west) [8 marks] the yacht has travelled after 10
minutes from its crossing the start line.

  • maths -

    (-4,0) + (1.4,1.4) = (-2.6,1.4)
    = 2.96 m/s at W28.3°N
    After 10 minutes (600 seconds) the distance traveled is 1772m

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