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Physics, 21.08.2019 08:10 hpelir1282
The loser of a race had to run an extra 1600m as terms of a bet. she runs the first 800m at an average speed of 6m/s and the next 800m at an average speed of 8m/s. what is her total time needed to run 1600m? what is her average speed?
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The loser of a race had to run an extra 1600m as terms of a bet. she runs the first 800m at an avera...
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