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In a harbour, wind is blowing at the speed of 72 km/h and the flag on the mast of a boat anchored in the harbour flutters along the N-E direction. If the boat starts moving at a speed of 51 km/h to the north, what is the direction of the flag on the mast of the boat?

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Flag initial direction= 36√2N+36√2E=72NE Flag direction with only boat = 51S Net direction= 0.088S+36√2E Approximately only towards East...
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Maths Tutor

-(50.9)i - (101.9)j
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