Physics, 23.10.2021 09:10 sotocindy023

An airplane travels 2100 km at a speed of 1000 km/h. It then encounters a headwind which slows it to 800 km/h for the next 1300 km. What is the average speed for this plane trip?

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An airplane travels 2100 km at a speed of 1000 km/h. It then encounters a headwind which slows it to...