Could you please show me how to work out this physics mechanics question?

  • Thread starter Thread starter lux
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lux

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The question is:
Jemima has gone for a swim in a river which is flowing at 0.35 ms-1. She swims at 0.18 ms-1 at right angles to the current. Show that her resultant velocity is 0.39ms-1 at an angle of 27.7 degrees to the current?
 
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