How deep would you have to go
in a mine shaft to reach a pressure
of 2.00 atm? (assume the density
of air remains a constant
1.29 kg/m^3.)
(unit = m)

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

Rank the six combinations of electric charges on the basis of the electric force acting on q1. define forces pointing to the right as positive and forces pointing to the left as negative. rank positive forces as larger than negative forces. q1,q2,q3 = positive(+) q1 = + q2 = + q3 = - q1 = + q2= - q3= + q1= - q2= + q3= + q1= + q2= - q3= - q1,q2,q3 = negative

3. which is not a primary color of light? blue red green yellow