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A swimmer heading directly across a river 200 m wide reaches the opposite bank in 6 min 40 s. she is swept downstream 480 m. how fast can she swim in still water?a swimmer heading directly across a river 200 m wide reaches the opposite bank in 6 min 40 s. she is swept downstream 480 m. how fast can she swim in still water?

User Kevin Tsoi
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the first answer for the first question is 0.5 m/s because v=x/t=200/(6x60+40)= 0.5
User Channasmcs
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