The seawater through which a boat sails moves 4 knots towardsthe East with respect to the bottom of the sea. The boat moves 15knots with a direction of 60 degrees north of East with respect tothe seawater.
a) What is the velocity, magnitude and direction, of the boat withrespect to the bottom of the sea.
b) To navigate in a determined time interval and to a givendestiny the boat requires a speed of 22 knots in a direction of 45degrees west of North with respect to the bottom of the sea. Whatis it's velocity with respect to the water?