Physics, 23.08.2021 16:10 Greatthinker2000

A car travels 40 kilometers at an average speed of 80km/h and then travels 40 kilometers at an average speed of 40km/h. The average speed of the car for this 80-km trip is

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A car travels 40 kilometers at an average speed of 80km/h and then travels 40 kilometers at an avera...

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