physics electrostatics problems

14:23

3:31

59:59

8:57

15:52

35:53

53:32

12:52

18:10

1:36:46

44:17

55:57

1:06:23

41:39

19:19

55:11

1:06:22

1:05:02

1:17:34

40:13

31:52

53:16

1:00:04

1:04:56

56:33

4:36

28:18

54:34

33:16

5:42

22:43

12:10

14:19

25:06

3:49

24:01

14:02

34:18

8:37

1:26:37

1:24:14

10:07

11:23

10:17

57:32

20:42

43:35

11:53

53:18

50:18

26:24

27:14

17:05

55:57

1:04:14

1:12:12

4:08

22:57

9:42

56:19