Coulomb's law: two electrons are 20.0 mm apart at closest approach. what is the magnitude of the maximum electric force that they exert on each other? (e = 1.60 × 10-19 c, k = 1/4πε0 = 9.0 109 n ∙ m2/c2)

The maximum electric force is

Explanation:

Given that,

Distance = 20.0 mm

We need to calculate the maximum electric force that they exert on each other

Using formula of electric force

Where, q = charge

r = radius

Put the value into the formula

Hence, The maximum electric force is

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

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