Question

A river flow of width 100 m is flowing with velocity of 1.5 m/s .A man start from one end with rest relative to river .He raws with an acceleration of 2 m/s^2 relative to the river if the man want to cross river in minimum time by how much distance will he be drifted in the direction of rivet flow during crossing
x = 1/2 at^2 (across)
solve for t
x = vt (downstream)
PS. He's rowing 10 m/s by the end of this. Don't think too many people can row 22 mph....
Oops. I mean 20 m/s. Even more ridiculous.

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