Question 8 • Physics
Use the relationship between force, charge, and electric field: F = qE, so q = F/E. Substituting gives q = (2.4 × 10⁻³ N)/(6.8 × 10⁻⁵ N/C) ≈ 35 C = 3.5 × 10¹ C. The charge is 3.5 × 10¹ C, which is choice C.
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