how many seconds does it take the earth to rotate one arc-minute
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Answer:
A minute of arc (arc-minute) is a unit of angular measurement, equal to one sixtieth (1?60) of one degree. Since it takes the Earth 4 minutes or 240 seconds to rotate one degree, it takes 4 seconds for the Earth to rotate one arc-minute.
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Other answers
A minute of arc (arc-minute) is a unit of angular measurement, equal to one sixtieth (1?60) of one degree. Since it takes the Earth 4 minutes or 240 seconds to rotate one degree, it takes 4 seconds for the Earth to rotate one arc-minute. !
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