Physics, 16.10.2020 03:01 blackopsty23
Kim took 5 hours to complete a journey with an average speed of 80km/h. For the first 3 hours, she travelled at an average speed of 60 km/h. What was her average speed for the remaining time of the journey?
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Kim took 5 hours to complete a journey with an average speed of 80km/h. For the first 3 hours, she t...
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