A Proton Is Located at the Point (X = 1 $( \mathrm { x } = 0.0 \mathrm {~nm}$

question 74

Multiple Choice

A proton is located at the point (x = 1.0 nm,y = 0.0 nm) and an electron is located at the point $( \mathrm { x } = 0.0 \mathrm {~nm}$ $y = 4.0 \mathrm {~nm} )$ Find the magnitude of the electrostatic force that each one exerts on the other.(k = 1/4πε₀ = 9.0 × 10⁹ N ∙ m²/C²,e = 1.6 × 10^-19 C)

• A)1.4 × 10^-11 N
• B)5.3 × 10^-18 N
• C)5.3 × 10⁸ N
• D)5.9 × 10^-15 N

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