Question 7

When two electrons are a distance R apart, the magnitude of the gravitational force exerted by either electron on the other is F. How far apart would these two electrons be if the magnitude of the electrical force between them were F?

• A.     2.04 ×10²¹ R
• B.     4.18 ×10⁴² R
• C.     2.39 ×10⁻⁴³ R
• D.     4.90 ×10⁻²² R
• E.     3.72 ×10¹⁵ R

Formula Sheet

Question 6

Question 8

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