Two charges are located on the x-axis. A 22 C charge is located at the origin an

Question

Two charges are located on the x-axis. A 22 C charge is located at the origin and a 47 C charge is located at x= 4.0 m. What is the magnitude of the electric field at x=7.5 m. a) 4.0 x 10^5 N/C b) 3.8 x 10^4 N/C c) 5.7 x 10^5 N/C d) 6.3 x 10^4 N/C e) 2.5 x 10^6 N/C Two charges are located on the x-axis. A 22 C charge is located at the origin and a 47 C charge is located at x= 4.0 m. What is the magnitude of the electric field at x=7.5 m. a) 4.0 x 10^5 N/C b) 3.8 x 10^4 N/C c) 5.7 x 10^5 N/C d) 6.3 x 10^4 N/C e) 2.5 x 10^6 N/C

Explanation / Answer

Electric field = kq/r2 Eq1= (8.99x10^9)(22x10^-6)/(7.5)2 = 3516.09 N/C Eq2= (8.99x10^9)(47x10^-6)/(7.5-4.0)2 = 34492.2 N/C Eq1+Eq2 = 38008.3 N/c = 3.8x10^4 N/C (ANSWER = B) PLEASE RATE :D

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