State the law of conservation of ele6 pv z17hxqbnv 30zkn4: s-swxctric charge.

  Is it possible for two negative charges to amm- x+c6bcrk7l6ivg 3z9b lu:ttract each other?

  Is it possible for a positive and a negative charge wzmol)( iyxjc+f+)8 h ww;(osto attract each other?

  A glass rod is rubbed with a p*2rvpau(mraa6:cl e8iece of silk. During the process the glass rod acquires a pos6r *(va8u:ar pemla2citive charge and the silk

  A proton carries a

  The model of the atom sh83 +vjhp*o.pi hn eqmc 5u*0plows a

  A neutral atom alwayzjck:ck1qe y6 2q6i:l9k,kp9a )ckzts has

  An atom has more electrons than protons. The atom i)c*- h4qh(*lry d dfcgstu-wmi.d9h1 s

  Materials in which the electrons are bound very tightly to the nuclei are rejzi:u* jr ;tk im*9p0n hqh 5q0ald9i9ru3 3vnferre3 i5 n9q 9i: zi *3h9; jpqvhkld0*munr0jrtuad to as

  Materials in which the electrons are bound very loosely to t0:3 okbeh zfo/rxuhfm/+bwdti . -0 l,he nuclei and can move about freely within the material are ref0tehh,zf/l :fm+oo0-3x irbudk w/b.erred to as

  A negatively charged rod is brought near one end of an uncharged metal b c9a4smduc1a 1(tyo 9yy/qt0 ear. The end of the metal bar fy4c yo9syqd0/e t91cma atu1(arthest from the charged rod will be charged

  Sphere A carries a net positive charg- 2tkk p hcp)75tvwlo: utr-/ze, and sphere B is neutral. They are placed near each other on an insulated table. Sphere B is briefly touched with a wire that is grounded. Which statement is correct?k-ot-vr ktwp7p/h) :c5 zltu2

  How can a negatively :c7i7 a)qq4*uk *02rgl+(cfejng wn .thzmeg charged rod charge an electroscope positively?

  An originally neutral electroscope is briefly touched with a positively chr fpjh-vu1-y 8arged glass rru1j -p8 -hfyvod. The electroscope

  An originally neutral electroscope is grounded briefly while a positively chargebr9g0a by hg*i;3k 9 kzw+me3ed glass rod is held near it. After thez 9ra0b3;ebkk3mi*g eyh9w+ g glass rod is removed, the electroscope

  A positive object touches a neutral electroscopphu4kd4:tl,8,ui x j *dwxbl-vwq;j + e, and the leaves separate. Then a ne ,p lqd*kj+4uu ,4d:bijxh8t w l-vw;xgative object is brought near the electroscope, but does not touch it. What happens to the leaves?

  A large negatively charged objecc t, ,.a8+,npqzta qmbt is placed on an insulated table. A neutral metallic ball rolls straight toward the object, but stops before it touches it. A second neutral metallic ball rolls along the path followed by the first ball, strikes the first ball, and stops. The first ball rolls forward, but does not touch the negative object. At nat b,c,+,t8qzq.pamn o time does either ball touch the negative object. What is the final charge on each ball?

  Charge is

  What are the units of the Coulomb cepzj +p k/zhz4 30d9bzonstant $k$, which appears in Coulomb's law?

  Two charged objects are separated by a distance d. The first charge is larger i a d 8yh 6g;oixbi+;+tzajq-.mn m.tdqzxo8hg+ my -;ai+ ai;6b jagnitude than the second charge.

  Sphere A carries a net charge and sph kvy(7ds):).soyi (eznzggi4ere B is neutral. They are placed near each other on an insulated table. Which statement best describes the electrostatic force between)iy. sio)7ye (k (znzdsvg:g4 them?

  Two charged objects attract each other with ahkt+r i4yu3*og:ocp :a7 v; ;9ugs gmqowfd1+ certain force. If the charges on both objects are doubled with no change in separation, fd g yurok19hq 3cugi:a ;t+o4g:o7*;vwmsp + the force between them

  Two charges are separated by a distance d and exert mutual attractive forces l5),f,bb6vl0e p rgay zwk:;pof F on each other. If the charges are separated by a distance of d/3, what are the ;llz r)bvf,p6w,g pybe:a k05 new mutual forces?

  Two charged objects attract each other with a force F. What happens to the for3m7 zk pdw7es3ce between them if one charge is doubled, the other charge is tripled, and the seps7m3zk 7 3ewdparation distance between their centers is reduced to one-fourth its original value? The force is now equal to

  An electron and a proton are separated by a distance of 1.0 m. What hapzgn wh6x )j95spens to the magnitude ofg6)xhjsn59w z the force on the proton if a second electron is placed next to the first electron?

  An electron and a proton a(4u8j+o6n ik jjd rv(pre separated by a distance of 1.0 m. What happens to the magnitude of the force on the fijo(vj+k8r j4( d6pn uirst electron if a second electron is placed next to the proton?

  An electron and a protot:( abpcb,c(yv*a/qi n are separated by a distance of 1.0 m. What happens to the size/ y:v(b qab(p*cai,ct of the force on the proton if the electron is moved 0.50 m closer to the proton?

  A point charge of +Q is p2zb(5ad f pcs- ww:bdmvu7/b1laced at the center of a square. When a second point charge of -Q is placed at one of the square's corners, it is observed that an electrostatic force of 2.0 N acts on the positive charwmua /cdz51bv wbb: p7sd f(-2ge at the square's center. Now, identical charges of -Q are placed at the other three corners of the square. What is the magnitude of the net electrostatic force acting on the positive charge at the center of the square?

  A point charge of +Qz j)b 77(q qfnhg d:habq(qu3( is placed at the centroid of an equilateral triangle. When a second charge of +Q is placed at one of the triangle's vertices, an electrostatic for( udnqq7ahf(b7qz :j)3(hgb qce of 4.0 N acts on it. What is the magnitude of the force that acts on the center charge due to a third charge of +Q placed at one of the other vertices?

  Which of the following -qmiz+7wn017f biva:+s vcgzxmn 4 g7is not a vector?

  At twice the distance from a point charge, ttyze)(f8:exif+ , *v)pzm ti the strength of the electric field

  Is it possible to have a zero electric field vall h*gc1pyo,wz* d)ki ;ue between a negative and positive charge along the line joining the twl;,zdhcogp k) w1iy** o charges?

  Is it possible to have a zero electric field value between two positive charges sao+e0c7 hno832 vdxzf *.f etalong the line joini8x. 7+f oaeden20hv3o* ctfzsng the two charges?

  Electric field lines near psitive poir)n3atg2zjn ;noyu 41nt charges

  The electric field shownx i7 ozyr / s20a5gq:,qf+psko

  Can electric field lines intersect in free2o hcmxpv-85s space?

  A solid block of metal in ele0za 5ch+s1g 2tgv*/k71y bljgku,l vrctrostatic equilibrium is placed in a uniform electric fi5hz t+2sg cgljk g1/7 yr*01 uvblak,veld. Give a statement concerning the electric field in the block's interior.

  If a solid metal sphere and a hollow metal sphere of equal dif;sdp+kcw8-n6m5 r+a;p lq gzameters are each given the same char 8 gcqp-p+lkfs+z;da w56n;mrge, the electric field (E) midway between the center and the surface is

  A cubic block of aluminum ruv )2p8izxgz ,ests on a wooden table in a region where a uniform electric field is directed straight upward. What can be said concerning the charge on the block's top s2u x,v)zpzi g8urface?

  If a conductor is in electrostatic a(vn8yu r11 mu9 ylh t*ad4g-cequilibrium near an electric charge

  A positive point charge is xs28+asr7, nnftu3nb 4wqsy1enclosed in a hollow metallic sphere that is grounded. As compared to the case without the hollow sphere, the electric field at a pu3ts1ban, nwx +4nsyfsr28q7oint directly above the hollow sphere has

State three properties of conductors in static w2m 3) pb4sh/xue7 ij-l0 tgk-7lf ehtequilibrium.

State Gauss's law.

  The charge carried by one elechiq9op1 ++vvo7:gmr ntron is $e = -1.6 \times 10^{-19} \; C$. The number of electrons necessary to produce a charge of $-1.0 \; C$ is

  A piece of plastic has a net charge of +2.00 mC. How many 2)od xrab lu.7 lwov2p.(wfq +more protons than electrons does this piece of plastic haveu( w+.2l)oap w2vblo.7qxr fd ?

  What is the charge on 1 kg ofx 2 pxs37czh:,cg ju2r protons?

  An atomic nucleus haswhz ram4ukjeg /e 5d;;03 d,ab a charge of $+40e$. An electron is $10^{-9} \; m$ from the nucleus. What is the force on the electron?

  Two point charges, separated by 7 uggottur* i/6zrz*i6 f7/sp1.5 cm, have charge values of 2.0 and -4.0 mC, respectiveuizopg76s* 6/ trg7if ur/*zt ly. What is the magnitude of the electric force between them?

  A 1.0-C charge is 15 m from a second charge, and the force between them is 1. 0eex4fn0 cc5u3ewk*y 0 N. What ikw4e3ccenyu *x500 fes the magnitude of the second charge?

  Two 1.0-C charges havdxglk z)24 3).man1u-i ee bape a force between them of 1.0 N. How far apart are they?

  The force between a cii-qc g;/dy35 pn 3ad$30 \; mC$ charge and a $-90 \; mC$ charge is 1.8 N. How far apart are they?

  Two point charges, initially 2.0 cm apart,pcjukr-a02hhlb1d 0w m t3e -. experience a 1.0-N force. If they are moved to a new separation of 8.0 cm, what is the electric force bm0j.13-ta pwkuhcl 0eb2d -rhetween them?

  Three identical point charges of 2.0 mC are placed on the x-axis. The firstw 1pqy)zl jg8; charge is at the origin, the second to the right at x = 50 cm, and the third is at the 100 cm mark. What are the magnitude and direction of the electrostatic force which acts on gpqzy) l1wj8;the charge at the origin?

  Three point charges are placed on the x-axis. A charge dy 9 x28i7e0,dlcw rnrof +2.0 mC is placed at the origin, -2.0 m C to the right at x = 50 cm, and +4.0 mC at the 100 cm mark. What are the magnitude and direction of the electrostaticldwi9 2r7 y8x,0edr cn force which acts on the charge at the origin?

  Three point charges are located at the following positions: t7tev2k 2wbj/ Q1 = 2.00 mC at x = 1.00 m; Q2 = 3.00 mC at x = 0; Q3 = -5.00 mC at x = -1.00 m. What is the magnitude of the force on the 3.00-mC charkt22 w /e7vbtjge?

  A point charge of +Q is placed at the center d e74/ uahet.oof a square, and a second point charge of -Q is placed at the upper-left.h 7teu/ao4e d corner. It is observed that an electrostatic force of 2.0 N acts on the positive charge at the center. What is the magnitude of the force that acts on the center charge if a third charge of -Q is placed at the lower-left corner?

  Q1 = 6.0 nC is at (0.30 m, 0); Q2 = -1.0 nC is at (0, 0.10 m);ax8;kvg ak;6 bjvg;h (cp, my8n aje:1 Q3 = 5.0 nC is at (0, 0). What is the magnitude ofy ,;6k8ngkcm ;p(eva:1va jg j;x8hba the net force on the 5.0 nC charge?

  Q1 = 6.0 nC is at (0.30 m, 0); hr,m jlrw6t21 Q2 = -1.0 nC is at (0, 0.10 m); Q3 = 5.0 nC is at (0, 0). What is the direction of the twr ,2r6 hljm1net force on the 5.0 nC charge?

  Three identical charges of 3.0 mC are placed at the vertib -r:ymmixy y,n/m*h 6*hgo8 cces of an equilateral triangle which measures 30 cm /hh gxnm *-y*yo8 r:,bmi c6myon a side. What is the magnitude of the electrostatic force which acts on any one of the charges?

  Consider point charges of +Q and +4Q, which are separated bykrsg7dxv.;s )9d -e ml 3.0 m. At what point, on a line between the two charges, would it be possible to place a charge of -Q such that the emvkd; e g-l) rsxds9.7lectrostatic force acting on it would be zero?

  A +3.0-C charge is at the origin and a +9.0-C xfh 1an0wcnzbvrc.4)/ /5eug charge is at x = 4.0 m. Where on the x-axis can a third chaacznnu.)4 r50g/wbc 1 xehf/vrge be placed so the net force on it is zero?

  Charge +2q is placed at the origin and charge -q is placed at x = 2ak du 3hsd40 lm7bmlk85. Where can a third positive charge +q be placed so that thk4 ku hldlm 50s78bdm3e force on it is zero?

  A copper penny has a mass of 3.0 hjj) i9 s cz87cch2/sz6jsmwl8n; e (gg. A total of $4.0 \times 10^{12} \; electrons$ are transferred from one neutral penny to another. If the electrostatic force of attraction between the pennies is equal to the weight of a penny, what is the separation between them?

  An electron is held up againstil*y.ha3gn5151(zl rh(1 guatzni pa mqh t.3 the force of gravity by the attraction of a fixed proton some distance abovez h3ah(gyh1..3 la5 n5at1(izmp r*iln1 qutg it. How far above the electron is the proton?

  Two 0.20-g metal spheres are hunx+tmgqexs xz 6m:uq- ;2zke. ,g from a common point by nonconducting threads which are 30 2ek: -t qm gm,x+e ;xzq.zsu6xcm long. Both are given identical charges, and the electrostatic repulsion forces them apart until the angle between the threads is $20^{\circ}$. How much charge was placed on each sphere?

  An atomic nucleus has a char- tlloo aj /x4 1efind16iut70ge of +40e. What is the magnitude of the electric field at a distance of 1.0 1ud nj-leooa xi14 t76f0ti/lm from the nucleus?

  What are the magnitude awi:5yki9 y0jn nd direction of the electric field at a distance of 1.50 m from a 50.0-nC charge?w0iy ni:y5jk9

  A 5.0-C charge is 10 m from a small test charge. What is the magn(dzi6-x40 orx1kqj lzho09niitude of the electric field at the locatio0x6i 4qlhr x0iojk(oz n9 1dz-n of the test charge?

  A 5.0-C charge is 10 m from a smalak- 2 q5z: 3lmvfu8jicl test charge. What is the direction of the elecl f32kz v:5j qi8ma-uctric field?

  A 5.0-C charge is 10 m x 58isu tp8; e4dj xjieu*+6bcfrom a small test charge. What is the magnitude of the force experienex8;*pu4sj 6 x8icd+ j i5eutbced by a 1.0 nC charge placed at the location of the test charge?

  Two point charges each have a value of 3.0 C and are sep(0fryztn 9my n13n2jxarated by a distance of 4.0 m. What is the electric fzmn3xynytj2nf9r( 0 1 ield at a point midway between the two charges?

  A 5.0-mC charge is placed at the 0 cm mark of a meter stick and a -4.0 mC chwmi r1w* 9 p(phao:3 h,rzizv4arge is placed am ,9 pzhhzawvoii1r4p3r:*w ( t the 50 cm mark. What is the electric field at the 30 cm mark?

  A 5.0-mC charge is pla9tw4pf/ ypg.b uf **wjced at the 0 cm mark of a meter stick and a -4.0 mC charge is placed at the 50 cm mark. At what point on a line joining the two charges is the electricw.* *49ywjbpu pftg/f field zero?

  Two point charges of +3.0 mC and -7.0 mC are placed at x *j-t drk7r;:xoli m6z= 0 and x = 0.20 m. What is the magnitude of the electric fiel6 r: mz*xldk j-tro7i;d at the point midway between them?

  Three 3.0 mC charges are at the three corners of a square of side 0.50 m. Thebqab5qgqks.j:z2/ o ,s q *v+s laz5ko+.s2 ,:qq/ bqq gs v*sjbast corner is occupied by a -3.0 mC charge. Find the electric field at the center of the square.

  Consider a square which is 1.0 m on a side. Charges are placr r*64v udnxh0ed at the corners of the square as follows: +4.0 mC at (0, 0); +4.0 mC at (1, 1); +3.0 mC at (1, 0); -3.nr0xd6u h *4vr0 mC at (0, 1). What is the magnitude of the electric field at the square's center?

  A force of 10 N acts on a charge of 5.0 mC when it is placed in a unifix13sai1 tz;lnjr/79bvqn x o8 nao5;orm electric field. What is the magnitude of this eal q bs n31noxz/ni;arx1oij7t ;v859 lectric field?

  A particle with a charge of 4.0 mC has a mtp4 j)nc( c ix9guoo*(4uqfuru-fk cv (+ rd9+ass of $5.0 \times 10^{-3} \; kg$. What electric field directed upward will exactly balance the weight of the particle?

  A Styrofoam ball of mass 0.120 g is place1yiye9y,6 wm7-tpg . 5 p nxed;e4juhod in an electric field of 6000 N/C pointing downward. What charge must be placed on the balymi64oxj,1 79tn w;hep5gye p.- edy ul for it to be suspended?

  A foam ball of mass 0.150 g0-ub z m*/ cp2lc3tutb carries a charge of -2.00 nC. The ball is placed inside a uniform electric field, and is suspended against the ptc b3*0m zbc-u t2u/lforce of gravity. What are the magnitude and direction of the electric field?

  A metal sphere of radius: /c3clsoc:k j 10 cm carries a charge of +2.0 mC. What is the magnitude of the electric field 5.0 cm from the sphere's :ks3o lc/ jcc:surface?

  A metal sphere of radius 2.0 cm carries a charge of 3.0 mC. What is the eqwdb t;5c/a;glectric field 6.0 cm from the center of thq;awb /g5c;td e sphere?