Apparently, this user prefers to keep an air of mystery about them.
1 Two masses on frictionless table with one string connecting both masses on ground and the other string [closed] Oct 10 '14
0 Why is there no way to make electric field at point P zero by changing quantity and sign of charge of $q_1$? [closed] Feb 3 '14
0 A rock connected to one end of string in circular motion gets released.. and what happens? Sep 3 '13