1.

Apersonaimingtoreachtheexactlyoppositepointon thebankof astreamisswimmingwithaspeedof 0.5 ms^-1atanangleof120^(@)withthedirectionofflowof water.Thespeedof waterinthestream,inms^-1is ,

Answer»

`1 MS^(-1)`
`0.25 ms^(-1)`
`0.67 ms^(-1)`
`3MS^(-1)`

ANSWER :B


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