Idk look at my weird/ugly self

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

What is the temperature in degrees celsius of a substance with a tempature of 49k

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.