<span>Kepler's second law: as a planet moves around its orbit, it sweeps out EQUAL areas in EQUAL times.
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That's <em>false.</em> According to current atomic theory and quantum mechanics, an electron is always PROBABLY SOMEWHERE in a fuzzy foggy area around the nucleus of the atom, and that's all we can <u>ever</u> say about it. There's no way to even TELL where the electron is, even if we <u>had</u> the technology to see things that small.
Answer:
4N downward
Explanation:
the 16N left and right cancel each other out, so you are left with the 4N downward.