1. Find tangent for the 7 measurements

2. graph tangent versus 1/R^2

Sing a = 10.ocr + measurement R= distance between 2 balls 17RR Conclusion : Theresults support Coulomb's Lawsfirst measurement R = 5 Ocm Second 13. Dont - 8.0 gus measurement = 5.0 cus Third 2. Ocm - 8. REICH wedesurement = 3 75 dre fourth 11.0m - 7. 75and measurement 2 3 25 crr R - 3 25 che Fifth Sixty measurement Seventh measurement $ 2:25 chant\fFEEFax Itand First Calculate Sin (sine + at/4 ) Second calculate angle third calculate tangent (FE $ fa * tane) Graph electrical force 1/12 2 Plot tane / / R2 tano 1// 12 2\f\fbrugural position pro cut uncertainty + 2mm a t distance between balls a HE = Fox tane coulomb reported FE - GRIX OZ First 10. 0 - 13.dem Second 10. ( ) 2.54 a = - 2 ocm third 10. 0 am - it Joint Fourth 10. ocm - 10. ocm a = - o.odw Fifth 16 Ocm - 9. 0 gut Sixth 10. por - 8.0chat Seventh 10 10cry - -7 0cumSino -all, L= 27 cur First Sing = 3/ 21 = 0. 111/40. 11 cm Second at 12 che third cm Sine = 1/ 2 7 : 0. 0 370 * D. 04end Fourth a: cm Sing $ 0/27 + 0. 0 err Fifth as cm sing $ 1/27-0 0370* 0.04cm cha seventh a 2 3 Sin + 312 7 + 0. 1/11 2 0. 11 com\f\f\fFirst R= 1/125 am Second R = 1/25 am Third R = 1/ 14.06 che Fourth RF 1/ 10. 56 Com Fifth R = 1 16. 25 Cum StevenLR - 1/5 06 0