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(CP9) A 10cm × 10cm sheet carries electric charge -8.86nC. What is the surface charge density? Find the magnitude and direction of the electric field at a point 0.5cm from the sheet. P (CP10) An identical sheet carrying charge 8.86nC is placed to the right of the negative sheet of the previous problem, what is the electric field at any point between the sheets? Draw a number of electric field lines. (CP11) An electron is placed on the left sheet with zero velocity. If the distance between the two sheets is 1.0cm, what is the velocity and kinetic energy of the electron when it reaches the right sheet?