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In the figure shown a river of width 4km is flowing with the speed of 5km/h.A swimmer whose swimming speed relative to water is 4km/h,starts swimming from point A on a bank.On the other bank B is a point which is directly opposite to A.What minimum distance (i km) the swimmer will have to walk on the other bank to reach the point B????? please explain sir>>>>>>>


In the figure shown a river of width 4km is flowing with the speed of 5km/h.A swimmer whose swimming speed relative to water is 4km/h,starts swimming from point A on a bank.On the other bank B is a point which is directly opposite to A.What minimum distance (i km) the swimmer will have to walk on the other bank to reach the point B?????       

 

please explain sir>>>>>>>


Grade:upto college level

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