13. A plane is flying at 324km/h with respect to the air. The wind is blowing at 67km/h [North 30.0 East]. The plane wants to fly directly West with respect to the ground. a. What is the plane's speed with respect to the ground? [5 marks] b. If the plane has to travel 2.24x103m, how long will it take to complete this trip? [3 marks]
