Application [12A] 28. Two skaters push a person sitting in a chair along the ice. The forces exerted by the skaters are 200 N and 250 N at an angle of 20 to one another. Determine the resultant force of the skaters, using Cartesian vectors (let the 200-N force vector lic along the positive x-axis), and state the magnitude and direction of the resultant. 29. An airplane is on a heading of 235 at 600 km/h and a 1 10 km/h wind is blowing from due west. Determine the resultant velocity of the airplane, using Cartesian vectors, and state the groundspeed and bearing of the resultant