The mass of the earth is 6xx10^(24)kg an...

The mass of the earth is `6xx10^(24)kg` and that of the moon is `7.4xx10^(22)kg`. The potential energy of the system is `-7.79xx10^(28)J`. The mean distance between the earth and moon is `(G=6.67xx10^(-11)Nm^(2)kg^(-2))`

`3.80xx10^(8)` meters

`3.37xx10^(6)` meters

`7.60xx10^(4)` meters

`1.90xx10^(2)` meters

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