Two protons are 1.5fm apart. What is the magnitude of the electric force on one

ID: 1264492 • Letter: T

Question

Two protons are 1.5fm apart. What is the magnitude of the electric force on one proton due to the other proton?

What is the magnitude of the gravitational force on one proton due to the other proton?

What is the ratio of the electric force to the gravitational force?

Could you break down and explain your steps please?

The electric force is calculated using Coulomb's Law : FE = k*q1*q2/r2

or, FE = 9*109 * 1.6*10-19 * 1.6*10-19/(1.5*10-15)2 = 104.4 N

The gravity force can be calculated according to the formula : FG = G*m1*m2/r2

or, FG = 6.67*10-11 * 1.67*10-27 * 1.67*10-27 / (1.5*10-15)2 = 8.27 * 10-35 N

Ratio FE/FG = 12.624 * 1035

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