4 A man tries to cross the river and reach point B on the

Last updated: 5/28/2023

4 A man tries to cross the river and reach point B on the opposite bank of river as shown Then the minimum speed relative to water and direction of swimmer at O so that he can reach point B is given river speed is u B 1 1 2 1 30 120 with direction of river flow 2 1 1 0 60 with direction of river flow 2u 3 60 with direction of river flow 3 2u 4 24 120 with direction of river flow To