A river is flowing from W to E with a speed 5m/min. A man can swim in still water at a velocity 10m/min. In which direction should a man swim to take the shortest path to reach the south bank?
1) 30° East of South
2) 60° East of North
3) South
4) 30° Weat of North
Answers
per minute in still water, wants to swim across the river in the shortest ... River = 5m/min V man = 10 m/minsuppose width of river is x ... ( due to velocity of downstream of water) acts 30 north of east and the ... covered to reach the other bank will be x mts and resultant velocity ...
man on south bank of river, capable . ... V river = 5m/min. V man = 10 m/minsuppose width of river is x mts. Case 1 ... if he travels due 30 north of east ... Thus ,the resultant of the Velocity of man in still water (Vm)(=OA)and the ... and man will get added up and distance would be covered in the shortest time.
A man on the South Bank of the river capable of swimming at 10 M per minute in still water wants to swim across the river in the shortest time he should ... He should swim in direction a)due north. b)30 east of north. c) 30 north of west. ... to reach the other bank will be x mts and resultant velocity is 8.7 m/min
Explanation:
refer the pics
therefore the answer is (a)
