1. A river has a steady speed of 0.5 m/s. A student swims upstream a distance of 1.0 km and swims back to the starting point. (a) If the student can swim at a speed of 1.2 m/s in still water, how long does the round trip take? (b) How long would the round trip take, if the water were still? (c) Why does the swim take longer when the river has a steady current compared to still water?
1. A river has a steady speed of 0.5 m/s. A student swims upstream a distance of 1.0 km and swims back to the starting point. (a) If the student can swim at a speed of 1.2 m/s in still water, how long does the round trip take? (b) How long would the round trip take, if the water were still? (c) Why does the swim take longer when the river has a steady current compared to still water?
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Transcribed Image Text:1. A river has a steady speed of 0.5 m/s. A student swims upstream a
distance of 1.0 km and swims back to the starting point.
(a)
If the student can swim at a speed of 1.2 m/s in still water, how
long does the round trip take?
(b)
(c)
How long would the round trip take, if the water were still?
Why does the swim take longer when the river has a steady
current compared to still water?
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