Two 10 cm long thin glass rods uniformly charged to 10rm, Ask an Expert

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Q1. Two 10 cm long thin glass rods uniformly charged to + 10;{rm nC} are placed side by side, 4cm apart. What are the electric field strengths E_1, E_2, and E_3 at distances 1.0 cm, 2cm, and 3cm to the right of the rod on the left, along line connecting the midpoints of the two rods?

Q2. A 1.25 object is moving in the direction at 17.40. Just 3.51 later, it is moving at 27.80 at 36.0 to the axis. What is the magnitude of force applied throughout this time?

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