2. A girl of weight 400 N has feet of area 100 cm2. What pressure does she put on the ground ?

To a of 4 x hz is 1. 0. mm nm nm

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?

Examples of states of consciousness include a. daydreaming b. dreaming during sleep c. hypnosis d. all of the above