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A motorboat covers a particular distance downstream and upstream. Find the speed of the stream.

1. 1.71 m/s
2. 2.21 m/s
3. 2.71 m/s
4. 3.21 m/s

Correct answer: 2.71 m/s

Solution

Using the given downstream and upstream times and distance, solving for stream speed gives 2.71 m/s.

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