3 years ago

Which of the following is a personal decision that involves science?

Physics

1 answer:

malfutka [58]3 years ago

4 0

A because its the only one that actually involves science

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2 years ago

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Kepler’s third law can be used to derive the relation between the orbital period, P (measured in days), and the semimajor axis,

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Kepler's 3rd law is given as
P² = kA³
where
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P = 687 days
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Therefore
k = P²/A³ = 687²/1.52³ = 1.3439 x 10⁵ days²/AU³

Answer: 1.3439 x 10⁵ (days²/AU³)

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What is the magnitude of the electric force between a proton and an electron when they are at a distance of 4.09 angstrom from e

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$F=1.38*10^{-9}N$

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According to Coulomb's law, the magnitude of the electric force between two point charges is directly proportional to the product of the magnitude of both charges and inversely proportional to the square of the distance that separates them:

$F=\frac{kq_1q_2}{d^2}$