18 Electric FieldsSince this is less than 10 mm, the particle does not strike the top plate, but moves in a symmetricparabola and strikes the bottom plate after a time given byyyvtatfiyiy=+ +12200 60210121104132=+×+ −×. msms2ejejttsince t>0,t=×−120 108s.The particle’s range isxxvtfix=+ =+××= ×−−07 99 101 20 109 61 10484...mssmej.In sum,The particle strikes the negative plate after moving in a parabola with a height of 0.181 mmand a width of 0.961 mm.P23.49vi955 103ms(a)aeEmy==××−−160 10720167 10690 10192710...af±ms2Rvaiy×−232127 10sin.θm so that232103.sin..××−sin.20961==°36 9.90 053 1°− =°^FIG. P23.49(b)tRvRvixicosIf 36 9.,t=167 ns .If 53 1t=221 ns .Additional Problems*P23.50The two given charges exert equal-size forces of attraction on eachother. If a third charge, positive or negative, were placed betweenthem they could not be in equilibrium. If the third charge were at apoint x>15 cm , it would exert a stronger force on the 45
This is the end of the preview. Sign up
access the rest of the document.
This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .