Name: ACI: SPH3U 2D Kinematics 18. The jet skier from the previous problem wants to travel directly across the lake. a. Determine the direction that he should head. b. How long will it take to cross the river? 19. A swimmer is standing on the south shore of a river that is 120 m wide. He wants to swim straight across and knows that he can swim at 1.9 m/s in still water. He determines that the current in the river is 0.80 m/s [E]. a. Determine the direction in which the swimmer should head so that he lands directly across the river on the north bank. b. Determine how long it will take him to reach the far shore. Page 16 of 24