H2P-404
Field of a point charge
H2 Physics · JC 2 · Easy · Field of a point charge
Two identical small spheres of mass 0.080 kg carry equal positive charges and hang from a common point on light strings of length 0.40 m. Each string makes an angle of 4.0° with the vertical. What is the magnitude of the horizontal electric force on each sphere?
- 5.5 × 10 N
- 3.1 × 10 N
- 1.3 × 10 N
- 7.8 × 10 N
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