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physics

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Recently, Asteroid 2012 DA14 came within 34,200 km from the center of the earth at its point of closest approach. If the moon goes around the earth once every 27.5 days, what is the ratio of the distance of closest approach of DA14 to the radius of the orbit of the moon?

  • physics -

    1st, find the radius of the orbit of the moon.

    2nd, then divide 34,200 from the result.

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