Which object has potential energy but not kinetic energy

Which of the following correctly describes the early view of catastrophism?

When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

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?