A man crosses a 320 m wide river perpendicular to the current in 4 min. If in still water he can swim with a speed 5/3 times that of the current, then the speed of the current, in m/min is A man crosses a 320 m wide river perpendicular to the current in 4 min. If in still water he can swim with a speed 5/3 times that of the current in m/min is then the speed of the current September 8, 2020 Category: Cengage NEET by C.P Singh , Chapter 5 - Relative Motion , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related