t 3 1 39 A launch travels across a river from a point A to a

Last updated: 6/12/2023

t 3 1 39 A launch travels across a river from a point A to a point B on the opposite bank along the straight line AB forming an angle a with the bank as shown in figure 1 160 The flag on the mast of the launch makes an angle with its direction of motion Determine the speed of the launch with respect to the bank Let u be the velocity of wind blowing in the direction perpendicular to the current A B J a Figure 1 160 B U