Which source is most likely an authority on the subject? dr. vale, a pediatrician, discusses electrical circuitry on her home-improvement website. jonah, an amateur cook, teaches his son how to make the best grilled cheese sandwiches. susan, an architect, presents her hand-made quilts at the quilting society. dr. patel, a cardiologist, presents her findings on heart disease.

An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.

Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.