How much electrical energy (in kWh) is needed to heat the water in a well-insulated electric hot water heater of capacity 40gal from 20° C to 50° C (68° F to 122° F)

when insulating materials rub against each other, they may become electrically charged . electrons , which are negatively charged, may be 'rubbed off' one material and on to the other. the material that gains electrons becomes negatively charged. the material that loses electrons is left with a positive charge.

the second one and the forth one are in the purple because they are opinions and the rest are in the yellow

explanation:

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.

the components of a vector are the parts of the vectors that are to each other.

b perpendicular