A 1 mg ball carrying a charge of 2 x 10-8 C hangs from a
thread. When a large conducting plate of charge is
brought near the ball, the thread makes an angle of 30°
with the plate. What is the surface charge density of the
plate ?

the following is queen elizabeth’s purposes:

- to encourage the parliament that the technique of picking successors to the seat based merely on birthright needs to be reviewed.

- (not) to convince the parliament that her kid should not be measured as a likely choice for heir to the english power.

- to persuade the parliament that merely since she has a child does not assure that the kid will be a capable leader.

- to sway the parliament how shattering it could be if they proceeded discourteously concerning her or her child.