If you are driving forward and suddenly break, what would happen to your body and which law does that demonstrate? A. Move forward, 1st Law
B. Go back, 2nd Law
C. Go back, 1st Law
D. Move forward, 2nd Law

Large electric fields in cell membranes cause ions to move through the cell wall. the field strength in a typical membrane is 1.0 x 10 7 n/c. what is the magnitude of the force on a calcium ion with charge +e? what is its acceleration? is it possible for a particle with the same charge as as calcium to have a different acceleration if placed at this location? what would change the acceleration: mass of the particle? diameter of the particle?