Which two factors does the power of a machine depend on? A.
work and distance
B.
force and distance
C.
work and time
D.
time and distance

Assume that a person skiing high in the mountains at an altitude of h = 15100 ft takes in the same volume of air with each breath as she does while walking at sea level. determine the ratio of the mass of oxygen inhaled for each breath at this high altitude compared to that at sea level. assume that the air composition (i.e. % of air that is oxygen) is the same at sea level as it is at 15100 ft.

Which two particles are found in the center of an atom

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