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Physics, 11.10.2021 01:00 lin550

2. A train travels a distance of 30 km with a uniform speed of 54 km/h. It travels another distance of 50 km with a uniform speed of 90 km/h.
Calculate the average speed of the train.

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2. A train travels a distance of 30 km with a uniform speed of 54 km/h. It travels another distanc...
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