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A 0.028 g plastic bead hangs from a lightweight thread. Another bead is fixed in position beneath the point where the thread is tied. If both beads have charge q, the moveable bead swings out to the position shown in (Figure 1). What is q? Express your answer with the appropriate units.

45 5.0 cm

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Answer #1

in this solution , we are going to balance the vertical and horizontal forces

and use electric force = k * q^2/d^2 formula

4S FİS the elect gtíctovce ancv Calarn Ym -「Sin 4-5° = F rg 2 8,73 X10-9 c 8.73 nC Change 18.73 nc

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