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A boat is moving across a 100 meter wide stream at 5 m/s. If the stream is flowing south at 10 m/s, how long will it take the boat to cross the river?
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A boat is moving across a 100 meter wide stream at 5 m/s. If the stream is flowing south at 10 m/s, how long will it take the boat to cross the river?

User Soundlink
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answer:

20 minutes for 5 m/s 10 minutes for 10 m/s

User Aajkaltak
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