Physics, 07.12.2021 22:20, catycait27p5rc5p

HEEL!! A train travels 195 kilometers in 4.0 hours, and then 125 kilometers in 3.0 hours. What is its average speed?

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HEEL!! A train travels 195 kilometers in 4.0 hours, and then 125 kilometers in 3.0 hours. What is it...