Asquare nonconducting plate, 2a on a side, has a total charge q uniformly spread over its surface. calculate the electric field vector e at distance z above the plate's center. use the electric field at a distance z above the midpoint of a line of charge of length 2l as a shortcut when solving.

The mentor is usually a peer of the individual that acts as a role model and the individual get started in adult life.

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

How is the gravitational force related to the distance between two objects?