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(6%) Problem 4: Two charges are placed on the 2 axis with the positive direction towards the right of the page. As shown in the drawing, charge qy is placed a distance D (upper case) to the right of charge qu. Consider point P which is located between the two charges and a distance d (lower case) to the right of charge 91 Let qı =3.6x10-7 C.Q=-7.5x10-8 C, D=25 cm and d=3 cm. 50% Part (a) If the electric field at point P is expressed as E = Ez i, what is the value of Es, in newtons per coulomb? NC Grade Summary Deductions 096 Potential 100% sino cos tano cotano asin) acos atan acotan sinh cosho tanho cotanh Degrees O Radians 789 HOME E456 123 - 0 Nd BACKSPACE CLEAR Submissions Attempts remaining 50 per attempt detailed view END Hint Submit Feedback I give up Hints: 2% deduction per hint. Hints remaining 1 Feedback: 2% deduction per feedback 50% Part (b) Suppose an electron is placed at point P. If the force on the electron is expressed as F=F, i, what is the value of F, in newtons?