A sailboat is sailing due east at 8.00 mph. The wind appears to blow from the southwest at 15.0 mph. What is the true wind speed? What is the true wind direction? (^\circ south of west). What is the true wind speed if the wind appears to blow from the northeast at 15.0 mph? What is the true wind direction (^\circ north of east) if the wind appears to blow from the northeast at 15.0 mph?