2. A charge q starts at point P₁ in a uniform E-Field, E = 200 N/C. As the charge moves from point P₁ to P₂ answer the following. a) q = +3.0 μC Ē b) q = +3.0 μC P₁ P₂ 10 cm 5 cm 0 cm (i) V: increase/ decrease / stay the same (ii) PE: increase/ decrease / stay the same (iii) Moves on its own /external work needed (iv) AV = _; APE =

60.0 magnitude direction 0.500 mm (a) Red blood cells often become charged and can be treated as point charges. Healthy red blood cells are negatively charged, but unhealthy cells (due to the presence of a bacteria, for example) can become positively charged. In the figure, three red blood cells are oriented such that they are located on the corners of an equilateral triangle. The red blood cell charges are A = 2.30 pC, B = 7.30 pC, and C= -3.90 pC. Given these charges, what would the magnitude and direction of the electric field be at cell A? (1 pC = 1 x 10-¹2 C.) N/C counterclockwise from the +x-axis.

A charge of -8.5 μC is at x = 0 and a charge of -4.0 μC is at x = 6.0 cm. What is the electric field at x = 2.0 cm? Specify the direction with the sign of your answer. 1.7 x 108 V/m -2.9 x 106 V/m -2.1 x 108 V/m -1.7 x 108 V/m 2.1 x 108 V/m

What should be the direction and magnitude of the vertical electric field that will balance the weight of a plastic sphere with the charge Q= +1.5 nC and mass m= 1.8 g? 3.2 x 10^5 N/C positive y-direction 1.2 x 10^6 N/C in +y-direction 1.2 x 10^6 N/C in negative y-direction 3.2 x 10^5 N/C in negative y-direction

2.

a) At what distance from a particle with a charge of 6.00 nC does the electric field of that charge have a magnitude of 4 N/C? The distance =

Three identical metallic conducting spheres carry the following charges: q1 = +4.60 μC, q2 = +1.80 μC, and q3 = −1.60 μC. The spheres that carry the charges q1 and q2 are brought into contact. Then they are separated. After that, one of those two spheres is brought into contact with the third sphere that carries the charge q3; those two are then separated as well. How many excess (or deficiency) electrons make up the final charge on the third sphere?

The drawing shows two situations in which charges are placed on the x and y axes. They are all located at the same distance of 7.10 cm from the origin O. For each of the situations in the drawing, determine the magnitude of the net electric field at the origin. +2.0μC -5.0 μC (a) -3.0 μC +4.0 μC +1.0 μC +6.0 με (b) -1.0 με