Here are some fun questions related to the Earth and the Moon where you can use...

Here are some fun questions related to the Earth and the Moon where you can use your Physics knowledge to answer:
a. Suppose electrons could be added to earth and moon until the Coulomb repulsion thus developed was of just the size to balance the gravitational attraction. What would be the smallest total mass of electrons that would achieve this?

b. For a person living at 45° latitude, what is the approximate fractional difference, during the day, between the maximum and minimum gravitational forces due to the moon—the change resulting from the fact that the earth's rotation causes the person's distance from the moon to vary? What is a manifestation of this kind of force effect in nature?.

Expert Solution

genius_generous answered 2 years ago

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