Physics, 04.08.2019 02:00 deathfire5866
Atrain travels 70 kilometers in 1 hours, and then 63 kilometers in 2 hours. what is its average speed?
Answers: 1
km " ; 
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Atrain travels 70 kilometers in 1 hours, and then 63 kilometers in 2 hours. what is its average spee...
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