The high spark voltage supplied to the spark plugs of an automobile is increased from the battery voltage by the principle of

In science and physics what is the standard unit of measure for speed?

What is the single most important equation in all of physics?

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?