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Physics, 22.02.2020 23:31 serenityparish

A man walks 7 km East in 1 hours and then 2.5 km West in 0.5 hour.
What is the man's average speed for the whole journey?

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A man walks 7 km East in 1 hours and then 2.5 km West in 0.5 hour.
What is the man's average sp...

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