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Chery Chery
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7 years ago
Suppose you wanted to hold up an electron against the gravitational force by the attraction of a fixed proton some distance above it.  How far above the electron would the proton have to be?  (k = 1/4πε0 = 9.0 × 109 N ∙ m2/C2, e = 1.6 × 10-19 C, mproton = 1.67 × 10-27 kg, melectron = 9.11 × 10-31 kg)
A) 1.5 m
B) 2.3 m
C) 3.7 m
D) 4.6 m
E) 5.1 m
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College Physics

College Physics


Edition: 1st
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HotMathHotMath
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I needed this so much, thanks
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