A3.15e-012 kg particle with a charge 2.31e-015 c moving to the right at a speed of 4 m/s is between two charged parallel plates and accelerates to the right by an electric field also pointing to the right for 5 s and ends up at a distance of 46 m to the right of where it started. what is the electric field produced by the two charged parallel plates? (briefly describe how you derived your answer) a. 4947 n/c b. 774 n/c c. 4331 n/c d. 2836 n/c

b.my answer is b.

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for the friend request.

when a figure, such as triangle (xyz) is reflected over the line y = x to create x'y'z' the x-coordinates and y-coordinates of the original image (pre-image) will be reversed for the image. (e.g., (x, y) > (y, x)) this means that the pre-image position of the x- and y-coordinates switch places which in turn provides a mirror like image of the original xyz.  

i notice that when i draw a line segment from x to x', that the points are parallel from each other -- they are exactly across from each other and do not intersect with any other points.  

yes, think i would see the same characteristic if you drew the line segment connecting y with the reflecting line and then y' with the reflecting line because of the essence of reflections. because it is a mirror image, each point was effected the same way which leads me to conclude that they same would apply to y and y'.