Which statement correctly describes the mechanical advantage offered by the levers in the image shown above? 1. Neither lever offers any mechanical advantage.
2. Lever B has a greater mechanical advantage than Lever A.
3. The mechanical advantage of both levers is the same
4. Lever A has a greater mechanical advantage than Lever 8.​

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

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?

Why should the wavelength scale of spectroscope be calibrated