At a point on a plan, two electric charges create anelectrical field (a vector q

Question

At a point on a plan, two electric charges create anelectrical field (a vector quantity) of 25. 9 kN/C at 10.8 degreesabove the horizonal to the right and 12. 6 kN/C at 83.4 belowto the right. Find the resultant electrical field My solution Ax= 25.9cos10.8=25.44                     Ay=25.9sin10.8=4.85                     Bx=12.6cos83.4=1.38                      By=12.6sin83.4=11.92 Rx=(25.44-1.38)= 1.164 Ry=(4.85-11.92) =-7.07 |R|=1.1642 +(-7.07)2=7.165 At a point on a plan, two electric charges create anelectrical field (a vector quantity) of 25. 9 kN/C at 10.8 degreesabove the horizonal to the right and 12. 6 kN/C at 83.4 belowto the right. Find the resultant electrical field My solution Ax= 25.9cos10.8=25.44                     Ay=25.9sin10.8=4.85                     Bx=12.6cos83.4=1.38                      By=12.6sin83.4=11.92 Rx=(25.44-1.38)= 1.164 Ry=(4.85-11.92) =-7.07 |R|=1.1642 +(-7.07)2=7.165

Explanation / Answer

For most part your solution seem to be in theright directions except you have a minor Sign Issues in the X resultant Cosine is Posititve in both Quadrats RX should be the sumof Ax and Bx. Your eerror was Ax-Bx ...Check it out and make   changes in this directionto git full point other . Since I found findthe first error in Step 1 I did not ventureto go any further . Brovo   What year ofengineering are you ?

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