SI Session 9/2 by Jaclyn Amber John https://padlet.com/jj94759/h45tl2yyst49n3po PHYS 103 en-us 2020-08-26 19:57:52 UTC 2025-11-12 02:10:36 UTC hello@padlet.com Opener jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/701106176 True or False?]]> 2020-08-26 19:58:31 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/701106176 1) define and give example of conservative force jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/701182040 2020-08-26 20:31:00 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/701182040 Activity 1 jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/701185075 What charge set up corresponds to the electric field lines]]> 2020-08-26 20:32:28 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/701185075 Before you go jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/701188974 2020-08-26 20:34:24 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/701188974 NetIDs jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/701194517 2020-08-26 20:37:08 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/701194517 jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/709864149 the electric field within a capacitor is always changing ]]> 2020-08-31 19:05:49 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/709864149 2) What's wrong with this picture? jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/709870902 2020-08-31 19:08:10 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/709870902 jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/709878168 electric field lines go into a positive charge and out of a negative charge. ]]> 2020-08-31 19:10:42 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/709878168 1) jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/709929243 2020-08-31 19:28:40 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/709929243 2) jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/709931373 2020-08-31 19:29:26 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/709931373 3) jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/709932557 2020-08-31 19:29:51 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/709932557 4) jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/709933696 2020-08-31 19:30:16 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/709933696 5) jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/709935730 2020-08-31 19:30:58 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/709935730 jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/709939060 positive charge alone ]]> 2020-08-31 19:32:13 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/709939060 jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710574331 Newton's 3rd law still applies to electrostatics; even if one charge is 4x greater than another, the force that one pushes on the other and vice versa is the same ]]> 2020-09-01 01:58:50 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710574331 jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710576756 the total electrostatic force is on a charge in the presence of other charges is the sum of the forces from each charge ]]> 2020-09-01 02:00:24 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710576756 jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710585988 number of field lines is proportional to the magnitude of charge]]> 2020-09-01 02:06:25 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710585988 jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710589700 strength of field is proportional to number of field lines]]> 2020-09-01 02:08:38 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710589700 3) why can't electric field lines ever cross? jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710601293 2020-09-01 02:15:35 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710601293 4) electric field at black dot jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710609511 2020-09-01 02:20:39 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710609511 5) a conservative force slows down a moving mass. did the potential energy of the mass increase or decrease? jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710612150 2020-09-01 02:22:09 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710612150 Activity 4 jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710613345 you will see a problem like this in tutorial today!]]> 2020-09-01 02:22:54 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710613345 jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710620585 2020-09-01 02:27:22 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710620585 in what region is there a place where the electric field zero? jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710621323 2020-09-01 02:27:49 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710621323 are there any issues you have with the class structure? jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710623207 i've received some complaints and want to see if other people feel the same way so I can talk to Erich about it ]]> 2020-09-01 02:28:42 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710623207 consider a point place distance D away from Q in the opposite direction of -5Q. what is the expression for the net force on that point? jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710627269 2020-09-01 02:31:14 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710627269 solve for the exact location where the net force would be zero jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710630090 2020-09-01 02:33:03 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710630090 6) electric field in terms of radius and charge? jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710638508 2020-09-01 02:38:21 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/710638508 jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/715121425 2020-09-02 15:13:35 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/715121425 Consider a point at x=4 jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/715123887 2020-09-02 15:14:13 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/715123887 what is magnitude and direction of electric field at that point jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/715124780 2020-09-02 15:14:24 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/715124780 True https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716180974 Gaetano]]> 2020-09-02 20:09:19 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716180974 False https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716187657 Gaetano]]> 2020-09-02 20:12:01 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716187657 true https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716189425 2020-09-02 20:12:47 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716189425 false https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716191200 2020-09-02 20:13:35 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716191200 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716213670 They are repulsing 

]]> 2020-09-02 20:23:11 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716213670 PE https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716214066 2020-09-02 20:23:22 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716214066 (-) charges should be on the left, on the side of the positively charged rod https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716215072 2020-09-02 20:23:51 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716215072 Density? https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716216207 2020-09-02 20:24:23 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716216207 Not sure https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716218434 2020-09-02 20:25:23 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716218434 decrease https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716218728 2020-09-02 20:25:33 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716218728 Increase https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716225784 2020-09-02 20:28:48 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716225784 E= E1+E2+E3 jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716239407 2020-09-02 20:35:13 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716239407 E1= k*(5e-6 C)/ 4^2 jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716240429 2020-09-02 20:35:45 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716240429 E2= k(2e-6 C)/ 1^2 jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716243046 2020-09-02 20:37:06 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716243046 E3= k(1e-6 C) / 2^2 jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716247783 2020-09-02 20:39:12 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716247783 E1= 2812.5 N/C jj94759 https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716252061 2020-09-02 20:41:14 UTC https://padlet.com/jj94759/h45tl2yyst49n3po/wish/716252061