Q92 · Practice questionTechnology-activeComplex familiar5 marks
QUESTION 92 (5 marks)
A boat travels km on a bearing of , then km on a bearing of , as shown. Determine its distance and bearing from the starting point.
WORKED SOLUTION
5 marksPractice marking scheme
ANSWER
Approximately km on a bearing of .
Worked solution
Resolve each leg into east and north components. The total east displacement is about km and the total north displacement about km. Hence the distance is km and the bearing is .
Resolves the first leg into components.
Resolves the second leg into components.
Combines the components correctly.
Determines the distance, approximately km.
Determines the bearing, approximately .
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