moon has a mass of 6.4 x1015 kg and the centripetal force between the moon and Steco is 4.2 x 1010 N what is the radius of Melo’s orbit? (4pts)

Is there any opitions? if you have the periodic table, the noble gases are 8a family, the halogen are the 7a family, and the nonmetal are  carbon, nitrogen, phosphorus, oxygen, sulfur, selenium, fluorine, chlorine, bromine, iodine and astatine.

How are period and frequency related to each other? dperiod is the reciprocal of frequency.

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