O 1/29/2016 11:55 PM A 53.3/100 Gradebook Print Calculator Periodic Table Questi

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O 1/29/2016 11:55 PM A 53.3/100 Gradebook Print Calculator Periodic Table Question 4 of 12 Map pling An electron and a proton are separated by a distance of 1.7 x10 10 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 The electric force is times stronger than the gravitational force. O Previous Give Up & View Solution 2 Answer Next Ext Check Hint

Explanation / Answer

Electric Force = F= kq1q2/r^2 = 9e9* (1.6e-19)^2/(1.7e-10)^2

FE= 7.97e-9 N

Gravitational Force FG= Gm1m2/r^2

  FG=(6.67408e-11 * 1.67e-27* 9.1e-31)/(1.7e-10)^2 = 3.509e-48 N

FE/FG= 7.97e-9/3.509e-48= 2.271e39

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