AP Physics 2mediummcq1 pt
A +1.0 µC charge and a −1.0 µC charge are 2.0 m apart (k = 9.0×10⁹). The force magnitude is
A.2.25×10⁻³ N
B.9.0×10⁻³ N
C.4.5×10⁻³ N
D.1.13×10⁻³ N
Explanation
Core Concept
F = k|q₁q₂|/r² = (9.0×10⁹)(1.0×10⁻¹²)/4.0 = 2.25×10⁻³ N.
Correct Answer
A2.25×10⁻³ N
More Unit 3: Electric Force, Field, and Potential practice questions
- easyElectric potential, unlike electric field, is a
- hardWhich statement about charge and field is correct?
- mediumA capacitor stores 1.0×10⁻⁴ C at 50 V. Its energy is
- mediumA positive charge is placed exactly between two equal positive charges. The net force on it is
- easyThe farad is equivalent to
Practice more AP Physics 2 questions with full explanations
Practice Unit 3: Electric Force, Field, and Potential Questions →