Relative Velocities (3)

A girl wishes to row across a river 100 m wide to a point directly opposite her starting point. She can row at 1 ms-1 in still water; the river is flowing at 0.5 ms-1. She must set the bows of the boat upstream, so that the angle made with respect to the bank, is
Incorrect
Incorrect
Correct
Incorrect
Incorrect

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