Two 10¢ Coins (Dimes)carrying Identical Charges Are Lying 2

question 47

Multiple Choice

Two 10¢ coins (dimes) carrying identical charges are lying 2.5 m apart on a table.If each of these coins experiences an electrostatic force of magnitude 2.0 N due to the other coin,how large is the charge on each coin? (k = 1/4πε₀ = 9.0 × 10⁹ N ∙ m²/C²)

• A)2.6 μC
• B)26 μC
• C)6.7 μC
• D)5.2 μC
• E)52 μC