A ferry is to cross the Sound of Islay from Port Askaig on Islay to Feolin on Jura which is 0.950km due east of Port Askaig. The tidal current in the Sound of Islay is strong and the water is flowing at 3.50ms in a northerly direction. The ferry travels at a speed of 5.00ms ^−1 relative to the water.
a) In what direction should the ferry set out? Give your answer as a bearing.
b)How long, in seconds, will the ferry take to make the crossing?
