Can you explain it step by step using the proper equation down below?

Unit Exam 1 Equation Sheet Electrostatics F = k /9ill921 E = k ql where k = 8.99 x 109 N.m2/C2 Charge of electron = -1.6 x 10-19 C Charge of proton = 1.6 x 10-19 C Electric Potential and Potential Energy U = k 9192 r V = ky U = qAV Electric Field and Potential AV E = - As Capacitance and Energy C = 2 C = zo U = =QV = =CV2 = 102 2 C Current and Resistance I = R = PA V = IR P = VI = 12R = - V2 L R = PA R = Rn (1 + aAT)Question 1 - A charged particle is at the origin of coordinates . The particle produces an electric field of 2 x 103 N/C X at the point w/ position vector 9 am 7. At what location does the field have the value 8 x103 NJ? A) 2.25 cm x B) 4.5 m x ( ) 18 (m x D ) 72 cm x E ) nowhere