Physics, 17.07.2019 03:20 lisacarter0804

Imagine for a minute that the moon is held in its orbit about the earth by electrical forces rather than by gravitation. what electrical charges −q on the earth and +q on the moon are necessary to hold the moon in a circular orbit with a period of 27.3 days? the earth-moon distance is 384 000 km and the mass of the moon is 7.35 × 1022 kg.

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Imagine for a minute that the moon is held in its orbit about the earth by electrical forces rather...