# Find the potential 1.11 cm from a proton. The and the elemental charge is 1.602 × 10−19 C . Answer in units of V.?

a)Find the potential 1.11 cm from a proton. The

Coulomb constant is 8.9876 × 109 N m2

/C

2

and the elemental charge is 1.602 × 10−19 C .

Answer in units of V.

b) What is the magnitude of the potential difference between two points that are 1.11 cm and

2.997 cm from a proton?

Answer in units of V.

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