John Glenn was the first American to orbit Earth. In 1962, he circled Earth counterclockwise three times in less that 5 h aboard

Question

John Glenn was the first American to orbit Earth. In 1962, he circled Earth counterclockwise three times in less that 5 h aboard his spaceship Friendship 7. If his distance from the Earth's center was 6560 km, what arc length did Glenn and his spaceship travel through?

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