River Boat Problem | Kinematics | JEE 11th | Physics | NM Sir | Etoosindia - YouTube - 0 views
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kratisaraswat on 22 Jun 22A man takes the shortest time when he swims perpendicular to the river velocity i.e., towards the north. Problem: A boat must get from point A to point B on the opposite bank of the river moving along a straight line AB that makes a 120-degree angle with the flow direction