Physics, 17.10.2021 05:00, prynnie

A vehicle travels for 20 minutes at a speed of 60 km/h. It then travels for 10 minutes at 90 km/h. At the end of 30 minutes, it covers a distance of Select... v km.

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A vehicle travels for 20 minutes at a speed of 60 km/h. It then travels for 10 minutes at 90 km/h. A...