Alex is standing still and throws a football with a speed of 10 meters per second to his friend, who is also standing still. The two friends are standing 5 meters apart. Which describes how each person observes the speed of the football?

Question

Revolt · Accepted Answer

Both Alex and his friend observe it as  10 meters per second .

Special Relativity - Quiz Quiz

Alex is standing still and throws a football with a speed of 10 meters per second to his friend, who is also standing still. The two friends are standing 5 meters apart. Which describes how each person observes the speed of the football?

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