Print Calculator Periodic Table Question 10 of 20 Map EM Sapling Learning An ele

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Print Calculator Periodic Table Question 10 of 20 Map EM Sapling Learning An electron and a proton are separated by a distance of 1.7 x10 m (roughly the diameter of a single atom). What is the magnitude of the electric interaction between the electron and the proton? Number magnitude of electric force What is the magnitude of the gravitational interaction between the electron and the proton? Number magnitude of gravitational force In this scenario, how many times stronger is the electric force than the gravitational force? Number O The electric force is times stronger than the gravitational force. O Previous ® Give Up & View Solution 2 Check Answer O Next Exit T Hint

Explanation / Answer

a) electric force = Kq1q2 / r^2

= 9*10^9 * (1.6*10^-19)^2 / (1.7*10^-10)^2

= 7.97*10^-9 N (attractive)

b) F = Gm1m2 / r^2

= 6.67*10^-11 *9.11*10^-31*1.67*10^-27 / (1.7*10^-10)^2

= 3.51*10^-48 N

c) F(e) /F(g) = 7.97*10^-9 / (3.51*10^-48)

= 2.27*10^39

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