Question

1. A bacterium has 1.8 × 1016 protons and a net charge of 9.4 pC. If...

1. A bacterium has 1.8 × 1016 protons and a net charge of 9.4 pC.

If you paired them up, what fraction of the protons would have no electrons?

2. Three charges are located as shown in the figure, with values q1 = 3.5 × 10-16 C, q2 = -1.1 × 10-16 C, q3 = 6.75 × 10-16 C. The charges are separated by d1 = 3.2 × 10-6 m and d2 = 1.5 × 10-6 m.

What is the force of q2 on q1 in the x direction, Fx? Give your answer in newtons, and recall k = 8.988 × 109 N m2/C2.

What is the force of q3 on q1 in the y direction, Fy? Give your answer in newtons.

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