MasteringPhy Hww03 ir addition to problems from Physics ll 1comin, i dded some t
ID: 3161483 • Letter: M
Question
MasteringPhy Hww03 ir addition to problems from Physics ll 1comin, i dded some tutorials (no credit for you to review ESSENTIA Physics I, n case you need to Google Chrome Secure ttps:// on masteringphysic om. 75038275 Mod. Mastering Physics T&R; Problem 25.59 Problem 25.59 Part A Two 2.6 g point charges on 1.0-m-long threads repel each other after What is the charge heing equally charged, as shown in the figure. Figure 1)Assume that Express your answer to two significan gures and include the appropriate units 1- Value Units Submi My Answers Figure 1 of 1 1.0 m 0 0 m knight Fi 25.1 ipq 3.ipq p17,12 25 EX pq Type previous l 22 of 22 l retum to assignment Prmide Eeadhack Continue Show all X 43 AM /31/2017Explanation / Answer
forces acting on the ball
1) weight 2) tension in the wire 3) electric force
T cos a = mg ---(1)
T sin a = kq^2 / (2lsin a)^2 ------(2)
tan a = kq^2 / mg ( 2l sin a)^2
tan 14 = 9*10^9*q^2 / (2.6*10^-3*9.8 ) * (2*1*sin 14)^2
q = 4.06*10^-7 C
= 0.406 uC