An infinitely long line of charge has a linear charge density of 6.50×10⁻¹² C/m. A proton is at a distance of 14.0cm from the line and is moving directly toward the line with speed 2000m/s. What is the magnitude of the force on the proton?
a) 2.86×10⁻¹⁷ N
b) 3.75×10⁻¹⁷ N
c) 4.92×10⁻¹⁷ N
d) 1.44×10⁻¹⁶ N